Webber, M. S. (1981). Communicatin Skills for exceptional learners. Aspen.
Chicago Style (17th ed.) ZitazioaWebber, Margatet S. Communicatin Skills for Exceptional Learners. London: Aspen, 1981.
MLA (9th ed.) ZitazioaWebber, Margatet S. Communicatin Skills for Exceptional Learners. Aspen, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.