APA (7th ed.) Zitazioa

EGGERS, M. A. (1965). The level of economic activity. Renehart and Winston.

Chicago Style (17th ed.) Zitazioa

EGGERS, Melvin A. The Level of Economic Activity. New York: Renehart and Winston, 1965.

MLA (9th ed.) Zitazioa

EGGERS, Melvin A. The Level of Economic Activity. Renehart and Winston, 1965.