Cita APA (7th ed.)

Backus, O. L., & Beasley, J. (1951). Speech therapy with children. Houghton Mifflin.

Cita Chicago (17th ed.)

Backus, Ollie Lucy, i Jane Beasley. Speech Therapy with Children. Boston: Houghton Mifflin, 1951.

Cita MLA (9th ed.)

Backus, Ollie Lucy, i Jane Beasley. Speech Therapy with Children. Houghton Mifflin, 1951.