APA aipamena

Kropff, M. J. (1993). Modelling crop-weed interactions. Manila: International rice research institute.

Chicago Style aipamena

Kropff, M. J. Modelling Crop-weed Interactions. Manila: International rice research institute, 1993.

MLA aipamena

Kropff, M. J. Modelling Crop-weed Interactions. Manila: International rice research institute, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.