CHOUDHARY, S. (2004). Teaching of biology. A.P.H. Publishing Corp.
Chicago Style aipamenaCHOUDHARY, S. Teaching of Biology. New Delhi: A.P.H. Publishing Corp, 2004.
MLA aipamenaCHOUDHARY, S. Teaching of Biology. A.P.H. Publishing Corp, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.