APA ציטוט

Tolfree, W. R. (1962). Notes on Economic Theory (Second edition.). London: Pitman Publishing.

Trích dẫn kiểu Chicago

Tolfree, W. Reay. Notes On Economic Theory. Second edition. London: Pitman Publishing, 1962.

ציטוט MLA

Tolfree, W. Reay. Notes On Economic Theory. Second edition. London: Pitman Publishing, 1962.