International Directory of Arts. 12th edition 1974/75 : dl I: Associations, restorers, Experts, Names.dl II: Antique Dealers, Art Galleries, Auctioneers, Publishers, periodicals, booksellers, Artists, Collectors.

MLA

International Directory of Arts. 12th Edition 1974/75 : Dl I: Associations, Restorers, Experts, Names.dl Ii: Antique Dealers, Art Galleries, Auctioneers, Publishers, Periodicals, Booksellers, Artists, Collectors. Frankfurt/Main: Verlag Müller GmbH & Co, 1974.

APA

(1974). International Directory of Arts. 12th edition 1974/75 : dl I: Associations, restorers, Experts, Names.dl II: Antique Dealers, Art Galleries, Auctioneers, Publishers, periodicals, booksellers, Artists, Collectors. Frankfurt/Main: Verlag Müller GmbH & Co.

Chicago

International Directory of Arts. 12th Edition 1974/75 : Dl I: Associations, Restorers, Experts, Names.dl II: Antique Dealers, Art Galleries, Auctioneers, Publishers, Periodicals, Booksellers, Artists, Collectors. Frankfurt/Main: Verlag Müller GmbH & Co, 1974.