APA ציטוט

Keeling, R. (2000). Project management: An international perspective. New York: St. Martin's Press.

Trích dẫn kiểu Chicago

Keeling, Ralph. Project Management: An International Perspective. New York: St. Martin's Press, 2000.

ציטוט MLA

Keeling, Ralph. Project Management: An International Perspective. New York: St. Martin's Press, 2000.