Dyfyniad APA

Schlöenvoigt, A., Kass, D., Jiménez Otárola, F., Siles Calvo, J., & Chesney, P. E. (1999). Perspectives for organic crop production in the tropics (Número de registro.

Dyfyniad Arddull Chicago

Schlöenvoigt, Andrea, Donald Kass, Francisco Jiménez Otárola, Jackeline Siles Calvo, y Patrick E. Chesney. Perspectives for Organic Crop Production in the Tropics (Número De Registro. 1999.

Dyfyniad MLA

Schlöenvoigt, Andrea, et al. Perspectives for Organic Crop Production in the Tropics (Número De Registro. 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.