Παραπομπή APA

Patel, R. N. (1989). Educational evaluation: Theory and practice (3.).

Παραπομπή Chicago Style

Patel, R N. Educational Evaluation: Theory and Practice. 3. Bombay, Himalaya Publishing House, 1989.

Παραπομπή MLA

Patel, R N. Educational Evaluation: Theory and Practice. 3. 1989.