APA aipamena

Lipsey, R. C. (1999). Principles of Economics (1st.). Oxford University Press.

Chicago Style aipamena

Lipsey, Richard; Chrystal. Principles of Economics. 1st. Oxford: Oxford University Press, 1999.

MLA aipamena

Lipsey, Richard; Chrystal. Principles of Economics. 1st. Oxford University Press, 1999.