Παραπομπή APA

Klinghan, G. C. (1961). Weed control: As a science. wiley eastern.

Παραπομπή Chicago Style

Klinghan, Glenn C. Weed Control: As a Science. New delhi: wiley eastern, 1961.

Παραπομπή MLA

Klinghan, Glenn C. Weed Control: As a Science. wiley eastern, 1961.