APA (7. basım) Alıntı

Pratt, G., & Harvey, S. (1976). Information economics: Costs and prices of machine-readable information in Europe. Aslib.

Chicago Style (17. basım) Atıf

Pratt, Gordon, ve Susan Harvey. Information Economics: Costs and Prices of Machine-readable Information in Europe. London: Aslib, 1976.

MLA (8th ed.) Atıf

Pratt, Gordon, ve Susan Harvey. Information Economics: Costs and Prices of Machine-readable Information in Europe. Aslib, 1976.