APA (7th ed.) Zitazioa

Gangstad, E. O. (1978). Weed Control methods for River basin management. Fla, CRC.

Chicago Style (17th ed.) Zitazioa

Gangstad, Edward O. Weed Control Methods for River Basin Management. West Palm Beach: Fla, CRC, 1978.

MLA (9th ed.) Zitazioa

Gangstad, Edward O. Weed Control Methods for River Basin Management. Fla, CRC, 1978.