Cita APA (7th ed.)

Luelsdorff, P. (1991). Developmental orthography. John Benjamins Pub. Co..

Cita Chicago (17th ed.)

Luelsdorff, Philip. Developmental Orthography. Amsterdam: John Benjamins Pub. Co., 1991.

Cita MLA (9th ed.)

Luelsdorff, Philip. Developmental Orthography. John Benjamins Pub. Co., 1991.

Atenció: Aquestes cites poden no estar 100% correctes.