Gaya APA
McGraw-Hill, . (1971).
McGraw-Hill encyclopedia of science & technology [Vol.06 GAB-HYS] .
New York:
Pradnya Paramita.
Gaya MLA
McGraw-Hill, .
"McGraw-Hill encyclopedia of science & technology [Vol.06 GAB-HYS]".
New York:
Pradnya Paramita,
1971.
Text.