Παραπομπή σε μορφή APA (7η εκδ.)

Semmler, W. (1984). Competition, monopoly, and differential profit rates: On the relevance of the classical and Marxian theories of production prices for modern industrial and corporate pricing. Columbia University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Semmler, Willi. Competition, Monopoly, and Differential Profit Rates: On the Relevance of the Classical and Marxian Theories of Production Prices for Modern Industrial and Corporate Pricing. New York: Columbia University Press, 1984.

Παραπομπή σε μορφή MLA (9th εκδ.)

Semmler, Willi. Competition, Monopoly, and Differential Profit Rates: On the Relevance of the Classical and Marxian Theories of Production Prices for Modern Industrial and Corporate Pricing. Columbia University Press, 1984.