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.