Cita APA (7th ed.)

PERKINS, W. H. (1978). Human perspectives in speech and language disorders. The C.V.Mosby co.

Cita Chicago (17th ed.)

PERKINS, William H. Human Perspectives in Speech and Language Disorders. Saint Louis: The C.V.Mosby co, 1978.

Cita MLA (9th ed.)

PERKINS, William H. Human Perspectives in Speech and Language Disorders. The C.V.Mosby co, 1978.