APA استشهاد

(2004). Symbiotic nitrogen fixation: Prospects for enhanced application in tropical agriculture. Enfield, NH: Science Publishers ( SP ).

استشهاد بنمط شيكاغو

Symbiotic Nitrogen Fixation: Prospects for Enhanced Application in Tropical Agriculture. Enfield, NH: Science Publishers ( SP ), 2004.

MLA استشهاد

Symbiotic Nitrogen Fixation: Prospects for Enhanced Application in Tropical Agriculture. Enfield, NH: Science Publishers ( SP ), 2004.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.