Cita APA (7th ed.)
ebrary, Inc, & Jong, P. d. (2013). Sustainable dairy production. Wiley-Blackwell.
Cita Chicago (17th ed.)
ebrary, Inc, i Peter de Jong. Sustainable Dairy Production. New York: Wiley-Blackwell, 2013.
Cita MLA (9th ed.)
ebrary, Inc, i Peter de Jong. Sustainable Dairy Production. Wiley-Blackwell, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.