Gaya APA
Othmer, K, -. (1982).
Encyclopedia of Chemical Technology Vol. 21 (Third Edition).
Hoboken:
John Wiley & Sons Inc.
Gaya MLA
Othmer, Kirk, -.
"Encyclopedia of Chemical Technology Vol. 21".
Third Edition
Hoboken:
John Wiley & Sons Inc,
1982.
Koleksi Cetak.