Παραπομπή σε μορφή APA (7η εκδ.)

Wheatsheaf books, Harcourt, G. C., & Sartoni, C. Marx and Keynes on economic recession: The theory of unemployment and effective demand. Wheatsheaf books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wheatsheaf books, Geoffrey Colin Harcourt, και Claudio Sartoni. Marx and Keynes on Economic Recession: The Theory of Unemployment and Effective Demand. Great Britain: Wheatsheaf books.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wheatsheaf books, et al. Marx and Keynes on Economic Recession: The Theory of Unemployment and Effective Demand. Wheatsheaf books.