Gaya APA
Kirk, R, E., Donald, F, O. (1952).
encyclopedia of chemical technology [Vol.8] (vol.8).
New York:
The Interscience Encyclopedia, Inc.
Gaya MLA
Kirk, Raymond, E., Donald, F., Othmer,.
"encyclopedia of chemical technology [Vol.8]".
vol.8
New York:
The Interscience Encyclopedia, Inc,
1952.
Text.