Gaya APA

GRAY, C., LARSON, E, W. (2006). PROJECT MANAGEMENT: The Mangerial Process (3rd). New York: MCGRAW-HILL.

Gaya MLA

GRAY, Clifford., LARSON, Erik, W. "PROJECT MANAGEMENT: The Mangerial Process". 3rd New York: MCGRAW-HILL, 2006. Text.