APA استشهاد

Institute of Civil Engineers. (1972). Safety in Wells and Boreholes (2nd ed.).

استشهاد بنمط شيكاغو

Institute of Civil Engineers. Safety in Wells and Boreholes. 2nd ed. London, 1972.

MLA استشهاد

Institute of Civil Engineers. Safety in Wells and Boreholes. 2nd ed. 1972.