Gaya APA

McGraw-Hill, . (1971). McGraw-Hill encyclopedia of science & technology [Vol.09 NAI-PEP] . New York: Pradnya Paramita.

Gaya MLA

McGraw-Hill, . "McGraw-Hill encyclopedia of science & technology [Vol.09 NAI-PEP]". New York: Pradnya Paramita, 1971. Text.