Cita APA (7th ed.)

Sarett, L. R., & Foster, W. T. (1936). Basic principles of speech. Houghton Mifflin company.

Cita Chicago (17th ed.)

Sarett, Lew R, i William Trufant Foster. Basic Principles of Speech. Boston: Houghton Mifflin company, 1936.

Cita MLA (9th ed.)

Sarett, Lew R, i William Trufant Foster. Basic Principles of Speech. Houghton Mifflin company, 1936.

Atenció: Aquestes cites poden no estar 100% correctes.