APA (7th ed.) Zitazioa
ebrary, Inc, & Christie, J. F. (1991). Play and early literacy development. State University of New York Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta James F. Christie. Play and Early Literacy Development. Albany, N.Y.: State University of New York Press, 1991.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta James F. Christie. Play and Early Literacy Development. State University of New York Press, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.