Gaya APA

Company, M, B. (1971). McGraw-Hill Encyclopedia of Science and Technology Volume 7 Ibe-Lyt . United States of America: McGraw-Hill Book Company.

Gaya MLA

Company, McGraw-Hill, Book. "McGraw-Hill Encyclopedia of Science and Technology Volume 7 Ibe-Lyt". United States of America: McGraw-Hill Book Company, 1971. Text.