APA (7. basım) Alıntı

U. S. Library of Congress. Subject Cataloging Division. (1933). Classification, Class P, subclasses PB-PH: Modern European languages (with supplementary pages).

Chicago Style (17. basım) Atıf

U. S. Library of Congress. Subject Cataloging Division. Classification, Class P, Subclasses PB-PH: Modern European Languages (with Supplementary Pages). 1933.

MLA (9th ed.) Atıf

U. S. Library of Congress. Subject Cataloging Division. Classification, Class P, Subclasses PB-PH: Modern European Languages (with Supplementary Pages). 1933.