Smith, George Albert, author
Richard D. Irwin, 1959
Buku Teks
Smith, George Albert, author
Richard D. Irwin, 1960
Buku Teks
Smith, Geofrey Albert, author
Richard D. Irwin, 1986
Buku Teks
Kroenke, David M., 1946-, author
McGraw-Hill, 1994
Buku Teks
Davis, Ralph Currier, author
Harper & Brothers, 1951
Buku Teks