Cita APA

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

Chicago Edition Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.