Παραπομπή APA

Klinghan, G. C. (1973). Weed control: As a science. Wiley eastern.

Παραπομπή Chicago Style

Klinghan, Glenn C. Weed Control: As a Science. New delhi: Wiley eastern, 1973.

Παραπομπή MLA

Klinghan, Glenn C. Weed Control: As a Science. Wiley eastern, 1973.