Cita APA (7th ed.)

SpringerLink (Online service) & Tow, P. (2011). Rainfed farming systems. Springer.

Cita Chicago (17th ed.)

SpringerLink (Online service) i Philip Tow. Rainfed Farming Systems. Dordrecht, New York: Springer, 2011.

Cita MLA (9th ed.)

SpringerLink (Online service) i Philip Tow. Rainfed Farming Systems. Springer, 2011.