Παραπομπή APA

Keynes, J. M. (1971). Collected writings. Macmillan.

Παραπομπή Chicago Style

Keynes, John Maynard. Collected Writings. London: Macmillan, 1971.

Παραπομπή MLA

Keynes, John Maynard. Collected Writings. Macmillan, 1971.