Frick, Heinz, author
Kanisius, 1979
Buku Teks
Brinker, Russell C.
International Textbook, 1965
Buku Teks
Irvine William
Mc-Graw-Hill , 1998
Buku Teks
Irvine, William, author
Mc-Graw-Hill , 1980
Buku Teks
Kavanagh, Barry F., author
Pearson, 2015
Buku Teks