Gaya APA
Kirk, R, E., Donald, F, O. (1960).
Encyclopedia of chemical technology: second supplement volume .
New York:
The Interscience Encyclopedia, Inc.
Gaya MLA
Kirk, Raymond, E., Donald, F., Othmer,.
"Encyclopedia of chemical technology: second supplement volume".
New York:
The Interscience Encyclopedia, Inc,
1960.
Text.