Gaya APA
Kirk, R, E., Donald, F, O. (1947).
Encyclopedia of chemical technology [Vol.1] (vol.1).
New York:
The Interscience Encyclopedia, Inc.
Gaya MLA
Kirk, Raymond, E., Donald, F., Othmer,.
"Encyclopedia of chemical technology [Vol.1]".
vol.1
New York:
The Interscience Encyclopedia, Inc,
1947.
Text.