APA استشهاد

Guthric, V. B. (1960). Petroleum Products Handbook. McGraw-Hill.

استشهاد بنمط شيكاغو

Guthric, Virgil B. Petroleum Products Handbook. New York: McGraw-Hill, 1960.

MLA استشهاد

Guthric, Virgil B. Petroleum Products Handbook. McGraw-Hill, 1960.