APA استشهاد

MISHRA P C. (2001). Soil pollution and soil organisms. Ashish.

استشهاد بنمط شيكاغو

MISHRA P C. Soil Pollution and Soil Organisms. New Delhi: Ashish, 2001.

MLA استشهاد

MISHRA P C. Soil Pollution and Soil Organisms. Ashish, 2001.