APA استشهاد

(2002). McGraw-Hill encyclopaedia of science & technology (v.5: COT-EAT) (9th ed.). McGraw hill.

استشهاد بنمط شيكاغو

McGraw-Hill Encyclopaedia of Science & Technology (v.5: COT-EAT). 9th ed. New York: McGraw hill, 2002.

MLA استشهاد

McGraw-Hill Encyclopaedia of Science & Technology (v.5: COT-EAT). 9th ed. McGraw hill, 2002.