APA

International Institute for Conservation of Historic and Artistic Works, . (1990). Cleaning, retouching and coatings : summaries of the posters at the Brussels congress, 3-7 September 1990. London: International Institute for Conservation of Historic and Artistic Works.

Chicago

International Institute for Conservation of Historic and Artistic Works, . 1990. Cleaning, retouching and coatings : summaries of the posters at the Brussels congress, 3-7 September 1990. London: International Institute for Conservation of Historic and Artistic Works.

Harvard

International Institute for Conservation of Historic and Artistic Works, . (1990). Cleaning, retouching and coatings : summaries of the posters at the Brussels congress, 3-7 September 1990. London: International Institute for Conservation of Historic and Artistic Works.

MLA

International Institute for Conservation of Historic and Artistic Works, . Cleaning, retouching and coatings : summaries of the posters at the Brussels congress, 3-7 September 1990. London: International Institute for Conservation of Historic and Artistic Works. 1990.