Prasad, J. (1999). Practical aspects in teaching of science. Kanishka.
Chicago Style (17th ed.) ZitazioaPrasad, Janardan. Practical Aspects in Teaching of Science. New Delhi: Kanishka, 1999.
MLA (9th ed.) ZitazioaPrasad, Janardan. Practical Aspects in Teaching of Science. Kanishka, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.