Argenti, John, author
Wiley , 1974
Buku Teks
Hussey, David E., author
Pergamon Press, 1976
Buku Teks
Jones, Harry, 1911-, author
Gower Press , 1974
Buku Teks
Steiner, George A. (George Albert), 1912-, author
Macmillan, 1969
Buku Teks
edited by David W. Ewing
Harper & Brothers, 1958
Buku Teks