Gaya APA

dkk, D, A, P, B. (1987). AQUATIC WEED IDENTIFICATION AND CONTROL MANUAL . AMERIKA: Bureau Of Aquatic Plant Research And Control.

Gaya MLA

dkk, Dr., ALVA, P., BURKHALTER,. "AQUATIC WEED IDENTIFICATION AND CONTROL MANUAL". AMERIKA: Bureau Of Aquatic Plant Research And Control, 1987. Text.