Gaya APA
Kirk, R, E., Donald, F, O. (1954).
encyclopedia of chemical technology [Vol.13] (vol.13).
New York:
The Interscience Encyclopedia, Inc.
Gaya MLA
Kirk, Raymond, E., Donald, F., Othmer,.
"encyclopedia of chemical technology [Vol.13]".
vol.13
New York:
The Interscience Encyclopedia, Inc,
1954.
Text.