Gaya APA

Wholey, J, S., Hatry, H, P. (2010). HANDBOOK OF PRACTICAL PROGRAM EVALUATION (3). USA: John Wiley & Sons Ltd.

Gaya MLA

Wholey, Joseph, S.., Hatry, Harry, P.. "HANDBOOK OF PRACTICAL PROGRAM EVALUATION". 3 USA: John Wiley & Sons Ltd, 2010. Electronic Resource.