Gaya APA

Mehrens, W, A., Lehmann, I, J. (1984). Measurement And Evaluation : In Education and Psychologi (Ed.3). USA: holt rinehart.

Gaya MLA

Mehrens, William, A.., Lehmann, Irvin, J.. "Measurement And Evaluation : In Education and Psychologi". Ed.3 USA: holt rinehart, 1984. Buku PSI.