APA引文

Samuelson, P. A. (1967). Economics: An introductory nalysis/7e (7th ed.). Mc Graw Hill Book company.

Chicago Edition Citation

Samuelson, Paul A. Economics: An Introductory Nalysis/7e. 7th ed. London: Mc Graw Hill Book company, 1967.

MLA引文

Samuelson, Paul A. Economics: An Introductory Nalysis/7e. 7th ed. Mc Graw Hill Book company, 1967.

警告：这些引文格式不一定是100％准确.