Gaya APA

Issac, S., Michael, W, B. (1984). Handbook in Research and Evaluation: a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences (2). California: EdITS publishers.

Gaya MLA

Issac, Stephen., Michael, William, B.. "Handbook in Research and Evaluation: a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences". 2 California: EdITS publishers, 1984. Text.