Stapf, Helmut
"Leipzig: Edition, 1967",
Buku Teks
Gilrearth, Esmarch S., author
McGraw-Hill, 1958
Buku Teks
Williams, David A., author
Lippincott Williams & Wilkins, 2002
Buku Teks
Seoul : The Korean Society of Industrial and Engineeering chemistry, 2006,
Majalah, Jurnal, Buletin
Wallwork, S.C.
"London: Longmans, 1960",
Buku Teks