(2000). Matter on the move. New York: Mcgraw-Hill School /School division.
Chicago Style aipamenaMatter On the Move. New York: Mcgraw-Hill School /School division, 2000.
MLA aipamenaMatter On the Move. New York: Mcgraw-Hill School /School division, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.