APA引文

Chopra , R., & Kumra , P. (1988). Biology of bryophytes. Wiley Eastern Limited.

Chicago Style (17th ed.) Citation

Chopra , R.N, and P.K Kumra. Biology of Bryophytes. New Delhi: Wiley Eastern Limited, 1988.

MLA引文

Chopra , R.N, and P.K Kumra. Biology of Bryophytes. Wiley Eastern Limited, 1988.