APA-ийн эшлэл(7 дахь хэвлэлт)

Harper, A. E. (1992). Preparing Objective Examinations: A Handbook For Teachers, Students And Examiners. Prentice-Hall of India.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Harper, A. Edwin. Preparing Objective Examinations: A Handbook For Teachers, Students And Examiners. New Delhi: Prentice-Hall of India, 1992.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Harper, A. Edwin. Preparing Objective Examinations: A Handbook For Teachers, Students And Examiners. Prentice-Hall of India, 1992.