Rosen, Harvey S., author
Richard D. Irwin, 1989
Buku Teks
Rosen, Harvey S., author
Richard D. Irwin, 1991
Buku Teks
edited by Carl S. Shoup
Aldine Publishing, 1969
Buku Teks
Cooper, Phillip J., author
Thomson Wadsworth, 2005
Buku Teks
Musgrave, Richard A., author
McGraw-Hill, 1959
Buku Teks