Gaya APA

GRAY, C, F., LARSON, E, W. (2008). PROJECT MANAGEMENT: The Managerial Process + CD (4th). New York: SAMS.

Gaya MLA

GRAY, Clifford, F.., LARSON, Erik, W.. "PROJECT MANAGEMENT: The Managerial Process + CD". 4th New York: SAMS, 2008. Text.