Παραπομπή APA
(2008). Pfeiffer library: CD-ROM, Version 4.0 : a comprehensive resource of more than 2500 exercises, assessments and games for trainers. New Jersey: John Wiley.
Παραπομπή Chicago StylePfeiffer Library: CD-ROM, Version 4.0 : A Comprehensive Resource of More Than 2500 Exercises, Assessments and Games for Trainers. New Jersey: John Wiley, 2008.
Παραπομπή MLAPfeiffer Library: CD-ROM, Version 4.0 : A Comprehensive Resource of More Than 2500 Exercises, Assessments and Games for Trainers. New Jersey: John Wiley, 2008.
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