Dyfyniad APA

Harvey, J., & Harvey, M. (1971). Producing and spending/2e (2nd ed.). Macmillan.

Dyfyniad Arddull Chicago

Harvey, J., and M. Harvey. Producing and Spending/2e. 2nd ed. London: Macmillan, 1971.

Dyfyniad MLA

Harvey, J., and M. Harvey. Producing and Spending/2e. 2nd ed. Macmillan, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.