Dyfyniad APA

Riegel, D. G., & Dowling, E. (2017). Tips of the tongue: The nonnative english speaker's guide to mastering public speaking. Oceanside, CA: Indie Books International.

Dyfyniad Arddull Chicago

Riegel, Deborah Grayson, và Ellen Dowling. Tips of the Tongue: The Nonnative English Speaker's Guide to Mastering Public Speaking. Oceanside, CA: Indie Books International, 2017.

Dyfyniad MLA

Riegel, Deborah Grayson, và Ellen Dowling. Tips of the Tongue: The Nonnative English Speaker's Guide to Mastering Public Speaking. Oceanside, CA: Indie Books International, 2017.

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