Peter, L. J. (1975). Competencies for teaching: Individual instruction. Wadsworth.
Chicago Style aipamenaPeter, Laurence J. Competencies for Teaching: Individual Instruction. California: Wadsworth, 1975.
MLA aipamenaPeter, Laurence J. Competencies for Teaching: Individual Instruction. Wadsworth, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.