APA (7th ed.) Citation

Lipsey, R. G., & Chrystal, K. (1995). An Introduction To Positive Economics (1. Edisyon.). Oxford University.

Chicago Style (17th ed.) Citation

Lipsey, Richard G., and K.Alec Chrystal. An Introduction To Positive Economics. 1. Edisyon. Oxford: Oxford University, 1995.

MLA (9th ed.) Citation

Lipsey, Richard G., and K.Alec Chrystal. An Introduction To Positive Economics. 1. Edisyon. Oxford University, 1995.