Cross, K. P. (1981). Adults as learners. Jossey-Bass.
Chicago Style aipamenaCross, K. Patricia. Adults as Learners. San Francisco: Jossey-Bass, 1981.
MLA aipamenaCross, K. Patricia. Adults as Learners. Jossey-Bass, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.