APA (7th ed.) Zitazioa
Luelsdorff, P. (1991). Developmental orthography. John Benjamins Pub. Co..
Chicago Style (17th ed.) Zitazioa
Luelsdorff, Philip. Developmental Orthography. Amsterdam: John Benjamins Pub. Co., 1991.
MLA (9th ed.) Zitazioa
Luelsdorff, Philip. Developmental Orthography. John Benjamins Pub. Co., 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.