APA引文

Epp,Donald J, & Malone,John W. (1981). Introduction to agricultural economics. Mac Millan Publishing Co.

Chicago Edition Citation

Epp,Donald J, and Malone,John W. Introduction to Agricultural Economics. New York: Mac Millan Publishing Co, 1981.

MLA引文

Epp,Donald J, and Malone,John W. Introduction to Agricultural Economics. Mac Millan Publishing Co, 1981.

警告：這些引文格式不一定是100％准確.