Gaya APA

Govekar, J, K, P, P, T, J, T, T, P, M. (1999). Project Leadership from theory to practice . United State of America: Project Management Institute, Inc.

Gaya MLA

Govekar, Jeffrey, K., Pinto, Peg, Thoms, Jeffrey, Trailer, Todd, Palmer, Michele. "Project Leadership from theory to practice". United State of America: Project Management Institute, Inc, 1999. Text.