Παραπομπή APA

Wankel, C. (2008). 21st century management: A reference handbook. Sage.

Παραπομπή Chicago Style

Wankel, Charles. 21st Century Management: A Reference Handbook. Los Angeles: Sage, 2008.

Παραπομπή MLA

Wankel, Charles. 21st Century Management: A Reference Handbook. Sage, 2008.