Bacon, Harold M., author
McGraw-Hill, 1955
Buku Teks
Widder, David V.
Dover Publications , 1998
Buku Teks
Cartan, Henri, author
Houghton Mifflin, 1971
Buku Teks
Narayan, Shanti, author
Shyam Lal Charitable Trust, 1979
Buku Teks
Small, Donald B., author
McGraw-Hill, 1990
Buku Teks