McCully, Roland C., author
Harcourt Brace Jovanovich, 1979
Buku Teks
Groza, Vivian Shaw
W.B. Saunders, 1975
Buku Teks
Sanders, Paul
International Textbook, 1964
Buku Teks
Hutchison, Donald, author
McGraw-Hill, 2000
Multimedia
McCune, Sandra Luna, author
McGraw-Hill, 2012
Buku Teks