(1990). Technology & learning. Peter Li, Inc..
Chicago Style aipamenaTechnology & Learning. Dayton, OH: Peter Li, Inc., 1990.
MLA aipamenaTechnology & Learning. Peter Li, Inc., 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1990). Technology & learning. Peter Li, Inc..
Chicago Style aipamenaTechnology & Learning. Dayton, OH: Peter Li, Inc., 1990.
MLA aipamenaTechnology & Learning. Peter Li, Inc., 1990.