Mantell, Leroy H., author
McGraw-Hill Kogahusha, 1972
Buku Teks
Worthington, Ian, 1946-, author
Prentice-Hall, 2001
Buku Teks
Townsend, Harry, author
Routledge , 1995
Buku Teks
Baye, Michael R., author
McGraw-Hill, 2003
Buku Teks
Baye, Michael R., author
Irwin McGraw-Hill, 2000
Buku Teks