Gaya APA
OTHMER, K, -.
(1967).
Encyclopedia of chemical technology .
(
2nd.ed. rev.)
.
New York:
John Wiley & Sons.
Gaya MLA
OTHMER, KIRK, -.
"Encyclopedia of chemical technology .".
2nd.ed. rev.
New York:
John Wiley & Sons,
1967.
Buku.