APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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