Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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