APA

Gloria J. T., Siegfriedt W. E. & Carstens A. (2011). Project contracting strategies: evaluating costs, risks and staffing requirements. : .

Chicago

Gloria Joy T, Siegfriedt William E and Carstens Andrew. 2011. Project contracting strategies: evaluating costs, risks and staffing requirements. : .

Harvard

Gloria J. T., Siegfriedt W. E. and Carstens A. (2011). Project contracting strategies: evaluating costs, risks and staffing requirements. : .

MLA

Gloria Joy T, Siegfriedt William E and Carstens Andrew. Project contracting strategies: evaluating costs, risks and staffing requirements. : . 2011.