APA aipamena

Rowland, V., & Birkett, K. (1992). Personal effectiveness for teachers. Simon and Schuster.

Chicago Style aipamena

Rowland, Val, and Ken Birkett. Personal Effectiveness for Teachers. Hertfordshire: Simon and Schuster, 1992.

MLA aipamena

Rowland, Val, and Ken Birkett. Personal Effectiveness for Teachers. Simon and Schuster, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.