APA (7e ed.) Bronvermelding

.Posavac, E. J., & .Carey, R. G. (1985). Program evaluation: Methods and case studies (2nd ed.). Prentice-Hall.

Chicago (17e ed.) Bronvermelding

.Posavac, Emil J., en Raymond G. .Carey. Program Evaluation: Methods and Case Studies. 2nd ed. .Englewood Cliffs, N.J: Prentice-Hall, 1985.

MLA (9e ed.) Bronvermelding

.Posavac, Emil J., en Raymond G. .Carey. Program Evaluation: Methods and Case Studies. 2nd ed. Prentice-Hall, 1985.