Pierce, R. B. (1978). Tongue thrust: A look at oral myofunctional disorders. Cliffs Notes.
Cita Chicago Style (17a ed.)Pierce, Roberta B. Tongue Thrust: A Look at Oral Myofunctional Disorders. Lincoln, Neb: Cliffs Notes, 1978.
Cita MLA (9a ed.)Pierce, Roberta B. Tongue Thrust: A Look at Oral Myofunctional Disorders. Cliffs Notes, 1978.
Precaución: Estas citas no son 100% exactas.