APA Edition Citation

Harper, A. E., & Harper, E. S. (1990). Preparing objective examinations: A handbook for Teachers, students and examiners.

Chicago Edition Citation

Harper, A Edwin, and Erika S. Harper. Preparing Objective Examinations: A Handbook for Teachers, Students and Examiners. New delhi, Prentice-Hall of India Pvt Ltd, 1990.

MLA Edition Citation

Harper, A Edwin, and Erika S. Harper. Preparing Objective Examinations: A Handbook for Teachers, Students and Examiners. 1990.