National Gallery (London) Trafalgar Square Catalogue.

MLA

National Gallery (london) Trafalgar Square Catalogue. London: National Gallery (Londen), 1929.

APA

(1929). National Gallery (London) Trafalgar Square Catalogue. London: National Gallery (Londen).

Chicago

National Gallery (london) Trafalgar Square Catalogue. London: National Gallery (Londen), 1929.