APA引文

Drummond,H Evan, & Goodwin,John W. (1982). Agricultural economics (2.). Reston Publishing Company.

Chicago Edition Citation

Drummond,H Evan, and Goodwin,John W. Agricultural Economics. 2. Virginia: Reston Publishing Company, 1982.

MLA引文

Drummond,H Evan, and Goodwin,John W. Agricultural Economics. 2. Reston Publishing Company, 1982.

警告：這些引文格式不一定是100％准確.