APA (7e ed.) Bronvermelding

Badger, R. E., & Guthmann, H. G. (1951). Investment principles and practices (4th ed.). Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Badger, Ralph Eastman, en Harry G. Guthmann. Investment Principles and Practices. 4th ed. New York: Prentice-Hall, 1951.

MLA (9e ed.) Bronvermelding

Badger, Ralph Eastman, en Harry G. Guthmann. Investment Principles and Practices. 4th ed. Prentice-Hall, 1951.