APA استشهاد

Grant, F. L., & Hill, A. M. (1958). Commercial arithmetic. Longmans.

استشهاد بنمط شيكاغو

Grant, Frank L., و Alexander M. Hill. Commercial Arithmetic. London: Longmans, 1958.

MLA استشهاد

Grant, Frank L., و Alexander M. Hill. Commercial Arithmetic. Longmans, 1958.