APA ציטוט

Sharma, H. S. (1980). Ravine erosion in India. Concept Pub. Co..

Chicago Style (17th ed.) Citation

Sharma, H. S. Ravine Erosion in India. New Delhi: Concept Pub. Co., 1980.

ציטוט MLA

Sharma, H. S. Ravine Erosion in India. Concept Pub. Co., 1980.