Buffaloe, Neal D., author
Prentice-Hall, 1973
Buku Teks
Enger, Eldon D., author
Mc Graw Hill, 2003
Buku Teks
Enger, Eldon D., author
McGraw-Hill, 2012
Buku Teks
Enger, Eldon D., author
McGraw-Hill, 2003
Buku Referensi
Starr, Cecie, author
Brooks/Cole, 2002
Buku Teks