Linbeck, John R.
Prentice-Hall, 1995
Buku Teks
Hudson, Jennifer, author
Laurence King Pub , 2011
Buku Referensi
Michael E Aulton; Kevin Taylor, editor
Elsevier, 2018
Buku Teks
Angel, W. Larsen, author
McGraw-Hill, 2012
Buku Teks
edited by Douglas C. Greenwood
McGraw-Hill, 1959
Buku Referensi