Gaya APA

Kerzner, H. (1992). Project Management A Systems Approach To Planning,Scheduling,and Controlling (ed.4). new york new york: van nostrand reinhold company.

Gaya MLA

Kerzner, Harold. "Project Management A Systems Approach To Planning,Scheduling,and Controlling". ed.4 new york new york: van nostrand reinhold company, 1992. Text.