Gaya APA

Costin, Andre A. (2008). MANAGING DIFFICULTS PROJECTS (1). USA: Butterworth-Heineman.

Gaya Chicago

Costin, Andre A. MANAGING DIFFICULTS PROJECTS. 1 USA: Butterworth-Heineman, 2008. Text.

Gaya MLA

Costin, Andre A. MANAGING DIFFICULTS PROJECTS. 1 USA: Butterworth-Heineman, 2008. Text.

Gaya Turabian

Costin, Andre A. MANAGING DIFFICULTS PROJECTS. 1 USA: Butterworth-Heineman, 2008. Print.