McGraw-Hill, [date of publication not identified]
Buku Teks
Nigro, Felix A., author
Harper and Row , 1977
Buku Teks
Sylvia, Ronald D., author
Harcourt College Publisher, 2002
Buku Teks
The Queen's Printer, 1963
Buku Teks
Marcel Dekker, Inc, 1990
Buku Teks