Bangs, John R., author
Alexander Hamilton Institute, 1955; 1961
Buku Teks
Amrine, Harold T., author
Prentice-Hall, 1975
Buku Teks
by Harold T. Amrine [and others]
Prentice-Hall, 1993
Buku Teks
Saunders, N.F.T. (Norman Frank Tilbury), author
Sir Isaac Pitman & Sons, 1946
Buku Teks
Narayan, V., author
Industrial Press, 2012
Buku Teks