Gaya APA
Chapman, C., Ward, S. (2003).
E-BOOK: PROJECT RISK MANAGEMENT
(Second Edition) (2).
England:
John Wiley & Sons Ltd.
Gaya MLA
Chapman, Chris., Ward, Stephen.
"E-BOOK: PROJECT RISK MANAGEMENT
(Second Edition)".
2
England:
John Wiley & Sons Ltd,
2003.
Text.