Gaya APA

Company, I, M, B. (1960). McGraw-Hill Encyclopedia of Science and Technology 12 sab - spin . USA: McGraw-Hill Book Company.

Gaya MLA

Company, Internasional., McGraw-Hill, Book. "McGraw-Hill Encyclopedia of Science and Technology 12 sab - spin". USA: McGraw-Hill Book Company, 1960. Lawas.