Kendall, Henry M., author
Harcourt, Brace, 1958
Buku Teks
Petersen, James F., author
Brooks/Cole Cengage Learning, 2012
Buku Teks
Malinowski, Jon C., author
McGraw-Hill, 2012
Buku Teks
Wheeler, James O., author
John Wiley & Sons, 1986
Buku Teks
Getis, Arthur, author
McGraw-Hill, 2000
Buku Teks