Παραπομπή APA

Etzel, B. (1996). Personal information management: Tools and techniques for achieving professional effectiveness. Macmillan.

Παραπομπή Chicago Style

Etzel, Barbara. Personal Information Management: Tools and Techniques for Achieving Professional Effectiveness. London: Macmillan, 1996.

Παραπομπή MLA

Etzel, Barbara. Personal Information Management: Tools and Techniques for Achieving Professional Effectiveness. Macmillan, 1996.