Gaya APA

Weiss, J, W., WYSOCKI, R, K. (1992). 5-PHASE PROJECT MANAGEMENT; A Practical Planning and Implementation Guide . New York: ADDISION-WESLEY.

Gaya MLA

Weiss, Joseph, W.., WYSOCKI, Robert, K. "5-PHASE PROJECT MANAGEMENT; A Practical Planning and Implementation Guide". New York: ADDISION-WESLEY, 1992. Text.