APA aipamena

Krishna Kumar. (1992). What is worth teaching (Rev. ed.). Orient Longman.

Chicago Style aipamena

Krishna Kumar. What Is Worth Teaching. Rev. ed. Hyderabad: Orient Longman, 1992.

MLA aipamena

Krishna Kumar. What Is Worth Teaching. Rev. ed. Orient Longman, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.