APA引文

Lipsey, R. G. (1963). introduction to positive economics (3rd ed.). English Language Book Society.

Chicago Edition Citation

Lipsey, Richard G. Introduction to Positive Economics. 3rd ed. London: English Language Book Society, 1963.

MLA引文

Lipsey, Richard G. Introduction to Positive Economics. 3rd ed. English Language Book Society, 1963.

警告：這些引文格式不一定是100％准確.