Παραπομπή APA

Harper, A. E., & Harper, E. S. (1992). Preparing Objective Examinations: A Hand book for Teachers, Students and Examiners. Prentice-Hall of India.

Παραπομπή Chicago Style

Harper, A Edwin, και Erika S. Harper. Preparing Objective Examinations: A Hand Book for Teachers, Students and Examiners. New Delhi: Prentice-Hall of India, 1992.

Παραπομπή MLA

Harper, A Edwin, και Erika S. Harper. Preparing Objective Examinations: A Hand Book for Teachers, Students and Examiners. Prentice-Hall of India, 1992.