Gaya APA

Layne, A, G, A, C. (1981). Revision Practice in multiple choice mathematics questions (1). England: Pergamon Institute of Englisf.

Gaya MLA

Layne, A, Greer, And, C.. "Revision Practice in multiple choice mathematics questions". 1 England: Pergamon Institute of Englisf, 1981. Buku Analog.