APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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