Heyne, Paul T., author
Prentice-Hall, 2000
Buku Teks
Heyne, Paul T., author
Science Research Associates, 1973
Buku Teks
Heyne, Paul T., author
Science Research Associates, 1973
Buku Teks
Leftwich, Richard H., author
Rienhard and Winston, 1969
Buku Teks
Blaug, Mark, author
Cambridge University Press, 1987
Buku Teks