Polya, George, author
Stanford University Press, 1962
Buku Teks
Iyer, V. Ganapathy, author
Tata McGraw-Hill, 1977
Buku Teks
Apostol, Tom M., author
Addison-Wesley, 1974
Buku Teks
Parzynski, William R., author
McGraw-Hill, 1987
Buku Teks
Lewin, Jonathan, author
McGraw-Hill, 1993
Buku Teks