APA ציטוט

WRIGHLEY, G. Tropical agriculture#the development of production#Gordon Wrighley. Longman.

Chicago Style (17th ed.) Citation

WRIGHLEY, Gordon. Tropical Agriculture#the Development of Production#Gordon Wrighley. Longman.

ציטוט MLA

WRIGHLEY, Gordon. Tropical Agriculture#the Development of Production#Gordon Wrighley. Longman.