(1966). Techniques for effective teaching (Rev. ed.). [s.n.].
Chicago Style aipamenaTechniques for Effective Teaching. Rev. ed. Washington, D. C: [s.n.], 1966.
MLA aipamenaTechniques for Effective Teaching. Rev. ed. [s.n.], 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.