Gaya APA

Prins, D. (1983). Treatment of stutterling in early childhood: methods and assiues / DavidPrins, Roger J. Ingham . : College-Hill Pres.

Gaya MLA

Prins, David. "Treatment of stutterling in early childhood: methods and assiues / DavidPrins, Roger J. Ingham". : College-Hill Pres, 1983. Referensi.