APA引文

Lipsey, R. G., & Chrystal, K. A. (1999). Principles of economics (9th.ed.). Oxford Univ..

芝加哥风格引文

Lipsey, Richard G., 与 K. Alec Chrystal. Principles of Economics. 9th.ed. Oxford: Oxford Univ., 1999.

MLA引文

Lipsey, Richard G., 与 K. Alec Chrystal. Principles of Economics. 9th.ed. Oxford Univ., 1999.