Style de citation APA (7e éd.)

Goodman, G. S. (2019). Crystal clear communication: How to communicate anything clearly in speech and writing. G & D Media.

Style de citation Chicago (17e éd.)

Goodman, Gary S. Crystal Clear Communication: How to Communicate Anything Clearly in Speech and Writing. [Place of publication not identified]: G & D Media, 2019.

Style de citation MLA (8e éd.)

Goodman, Gary S. Crystal Clear Communication: How to Communicate Anything Clearly in Speech and Writing. G & D Media, 2019.