Dyfyniad APA

Shea, M. (1998). The primacy effect: The ultimate guide to effective personal communications. Orion Business Books.

Dyfyniad Arddull Chicago

Shea, Michael. The Primacy Effect: The Ultimate Guide to Effective Personal Communications. London: Orion Business Books, 1998.

Dyfyniad MLA

Shea, Michael. The Primacy Effect: The Ultimate Guide to Effective Personal Communications. Orion Business Books, 1998.

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