Plunkett, W. R., & Attner, R. F. (1997). Management: Meeting and exceeding customer expectations (6th ed.). South-Western College Pub..
Cita Chicago (17th ed.)Plunkett, W. Richard, i Raymond F. Attner. Management: Meeting and Exceeding Customer Expectations. 6th ed. Cincinnati: South-Western College Pub., 1997.
Cita MLA (8th ed.)Plunkett, W. Richard, i Raymond F. Attner. Management: Meeting and Exceeding Customer Expectations. 6th ed. South-Western College Pub., 1997.
Atenció: Aquestes cites poden no estar 100% correctes.