Effective evaluation /
Egon G. Guba, Yvonna S. Lincoln.
APA Citation
Guba, E. G., Lincoln, Y. S. (1981). Effective evaluation. San Francisco: Jossey-Bass Publishers.
MLA Citation
Guba, Egon G, and Yvonna S Lincoln. Effective Evaluation. San Francisco: Jossey-Bass Publishers, 1981.
Warning: These citations may not always be complete (especially for serials).