Cutler, Paul
Williams & Wilkins, 1998
Buku Teks
Cutler, Paul
Gadjah Mada University Press, 1991
Buku Teks
Polya, George, author
John Wiley & Sons, 1981
Buku Teks
Patel, Shanon., Duncan, Henry, 1971-, editor
Wiley-Blackwell, 2011
Buku Teks
Milewski, Emil G., author
Research and Education Association, 1994
Buku Teks