Cita APA (7a ed.)
Pettijohn, T. F. The Encyclopedic Dictionary of Psychology. Dushkin.
Cita estilo Chicago (17a ed.)
Pettijohn, Terry F. The Encyclopedic Dictionary of Psychology. Guilford, EUA: Dushkin.
Cita MLA (9a ed.)
Pettijohn, Terry F. The Encyclopedic Dictionary of Psychology. Dushkin.
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