Priestley, Philip
Tavistock Publications, 1983
Buku Teks
Unesco, 1978
Buku Teks
Haney, Hutch, author
Brooks/Cole, 2001
Buku Teks
Haney, James Hutchinson, author
Brooks/Cole Thomson Learning, 2001
Multimedia
Andian Ari Istiningrum, author
Sekolah Tinggi Energi dan Sumber Daya Mineral (STEM-AKAMIGAS), 2014
Artikel Jurnal