Lusk, Harold F., 1893-, author
Richard D. Irwin, 1969
Buku Teks
Velasquez, Manuel G., author
Pearson, 2014
Buku Teks
Alt, Richard M., author
Richard D. Irwin, 1955
Buku Teks
Litvak, Isaiah A., author
McGraw-Hill Ryerson, 1984
Buku Teks
by Joseph C. Latona ... [and others]
South-Western Publishing, 1984
Buku Teks