Chamberlain, Neil W. (Neil Wolverton), author
McGraw-Hill, 1980
Buku Teks
Quelch, John A., author
Addison-Wesley, 1991
Buku Teks
Hayes, Carlton J. H.
New York Macmillan, 1958 c. 1953,
Buku Teks
Lambert, P. M.
North Holland Publ., 1982
Buku Teks
Brown, J. F.
Frederick A. Preager, 1966
Buku Teks