Harper, A. E., & Harper, E. S. (1992). Preparing Objective Examinations: A Hand book for Teachers, Students and Examiners. Prentice-Hall of India.
Chicago-стиль цитированияHarper, A Edwin, and Erika S. Harper. Preparing Objective Examinations: A Hand Book for Teachers, Students and Examiners. New Delhi: Prentice-Hall of India, 1992.
MLA-цитированиеHarper, A Edwin, and Erika S. Harper. Preparing Objective Examinations: A Hand Book for Teachers, Students and Examiners. Prentice-Hall of India, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.