Παραπομπή APA

(2002). McGraw-Hill encyclopaedia of science & technology (v.4: CHE-COS) (9th ed.). McGraw hill.

Παραπομπή Chicago Style

McGraw-Hill Encyclopaedia of Science & Technology (v.4: CHE-COS). 9th ed. New York: McGraw hill, 2002.

Παραπομπή MLA

McGraw-Hill Encyclopaedia of Science & Technology (v.4: CHE-COS). 9th ed. McGraw hill, 2002.