Παραπομπή APA

Cannon chiles Herene & Lincoln David Kelsey. (1955). Cooperative extension work (2.). Comstock publishing associates.

Παραπομπή Chicago Style

Cannon chiles Herene και Lincoln David Kelsey. Cooperative Extension Work. 2. Comstock publishing associates, 1955.

Παραπομπή MLA

Cannon chiles Herene και Lincoln David Kelsey. Cooperative Extension Work. 2. Comstock publishing associates, 1955.