APA Цитирование

Sengar, R., & Kumar, A. (2017). Environment science question bank: A handbook for competitive examinations. CBS Publishers.

Chicago-стиль цитирования

Sengar, R.S, and Amit Kumar. Environment Science Question Bank: A Handbook for Competitive Examinations. New Delhi: CBS Publishers, 2017.

MLA-цитирование

Sengar, R.S, and Amit Kumar. Environment Science Question Bank: A Handbook for Competitive Examinations. CBS Publishers, 2017.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.