Gaya APA
Snell, F, D., Snell, C. (1962).
Dictionary of commercial chemical (1962).
:
Princetown, D.Van Nostrand Co.Inc.,.
Gaya MLA
Snell, Foster, Dee., Snell, Cornellia.
"Dictionary of commercial chemical".
1962
:
Princetown, D.Van Nostrand Co.Inc.,,
1962.
Text.