Dyson, J.R.
Prentice-Hall, 2001
Buku Teks
Andian Ari Istiningrum
Sekolah Tinggi Energi dan Sumber Daya Mineral (STEM-AKAMIGAS), 2014
Artikel Jurnal
Horwath, Ernest B.
Ronald Press, 1970
Buku Teks
Horwath, Ernest B.
John Wiley & Sons, 1977
Buku Teks
Warren, Carl S.
South-Western College, 1999
Buku Teks