APA استشهاد

Thurling, F. (1963). Office practice today. Sir Isaac pitman & sons.

استشهاد بنمط شيكاغو

Thurling, F.C. Office Practice Today. London: Sir Isaac pitman & sons, 1963.

MLA استشهاد

Thurling, F.C. Office Practice Today. Sir Isaac pitman & sons, 1963.