Gaya APA

mantel, J, R, M, S, J. (2009). Project management : a managerial approach (Seventh edition). United State of America: John Wiley & Sons, Inc.

Gaya MLA

mantel, Jack, R., Meredith,, Samuel, J.. "Project management : a managerial approach". Seventh edition United State of America: John Wiley & Sons, Inc, 2009. Text.