APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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