APA citiranje

Chacko, G. K., & George K. Chacko. (2004). Problem Formation & formulation: Proposal Preparation. New York: Wiley.

Trích dẫn kiểu Chicago

Chacko, George K., và George K. Chacko. Problem Formation & Formulation: Proposal Preparation. New York: Wiley, 2004.

MLA citiranje

Chacko, George K., và George K. Chacko. Problem Formation & Formulation: Proposal Preparation. New York: Wiley, 2004.