Cummins, Julian
Universal Book Stall, 1991
Buku Teks
Bob Gordon, consultant editor; Maggie Gordon, consultant editor
Watson-Guptill Publications, 2002
Buku Teks
Priemer, August B.
Lexington Books, 1989
Buku Teks
Barry, John W.
McGraw-Hill, 1981
Buku Teks
Tal, Daniel
John Wiley & Sons, 2009
Buku Teks