Παραπομπή APA

Donald D Osburn & Kenneth C Schneeberger. (1978). Modern agriculture management. Reston publishing co.

Παραπομπή Chicago Style

Donald D Osburn και Kenneth C Schneeberger. Modern Agriculture Management. Reston publishing co, 1978.

Παραπομπή MLA

Donald D Osburn και Kenneth C Schneeberger. Modern Agriculture Management. Reston publishing co, 1978.