Παραπομπή APA

Harvey, J., & Harvey, M. (1967). Producing and spending. Macmillan.

Παραπομπή Chicago Style

Harvey, J., και M. Harvey. Producing and Spending. London: Macmillan, 1967.

Παραπομπή MLA

Harvey, J., και M. Harvey. Producing and Spending. Macmillan, 1967.