ebrary, Inc, & Wager, F. C. (2011). Agricultural production. Nova Science Publishers.
Cita Chicago (17th ed.)ebrary, Inc, i Felix C. Wager. Agricultural Production. New York: Nova Science Publishers, 2011.
Cita MLA (9th ed.)ebrary, Inc, i Felix C. Wager. Agricultural Production. Nova Science Publishers, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.