Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.