APA
International Centre for the Study of the Preservation and the Restoration of Cultural Property, . (1990). Structural conservation of stone masonry : international technical conference, Athens, 31.X.-3. XI. 1989 = Conservation structurelle de la maçonnerie en pierre : conférence internationale technique, 31.X.-3. XI. 1989, Atheǹes. Rome: ICCROM.
Chicago
International Centre for the Study of the Preservation and the Restoration of Cultural Property, . 1990. Structural conservation of stone masonry : international technical conference, Athens, 31.X.-3. XI. 1989 = Conservation structurelle de la maçonnerie en pierre : conférence internationale technique, 31.X.-3. XI. 1989, Atheǹes. Rome: ICCROM.
Harvard
International Centre for the Study of the Preservation and the Restoration of Cultural Property, . (1990). Structural conservation of stone masonry : international technical conference, Athens, 31.X.-3. XI. 1989 = Conservation structurelle de la maçonnerie en pierre : conférence internationale technique, 31.X.-3. XI. 1989, Atheǹes. Rome: ICCROM.
MLA
International Centre for the Study of the Preservation and the Restoration of Cultural Property, . Structural conservation of stone masonry : international technical conference, Athens, 31.X.-3. XI. 1989 = Conservation structurelle de la maçonnerie en pierre : conférence internationale technique, 31.X.-3. XI. 1989, Atheǹes. Rome: ICCROM. 1990.