APA-referens

Robbins, L. (1952). Essay on the nature & significance of economic science (2.).

Chicago-stil citat

Robbins, Lionel. Essay on the Nature & Significance of Economic Science. 2. Macmillan & Co. Ltd., London, 1952.

MLA-referens

Robbins, Lionel. Essay on the Nature & Significance of Economic Science. 2. 1952.