APA ציטוט

Needham, J. (1937). Integrative levels: A revaluation of the idea of progress. Oxford: The Clarendon press.

Trích dẫn kiểu Chicago

Needham, Joseph. Integrative Levels: A Revaluation of the Idea of Progress. Oxford: The Clarendon press, 1937.

ציטוט MLA

Needham, Joseph. Integrative Levels: A Revaluation of the Idea of Progress. Oxford: The Clarendon press, 1937.