Mottola, Robert, author
Osborne/McGraw-Hill, 1982
Buku Teks
Schneider, G. Michael, author
John Wiley & Sons, 1987
Buku Teks
Mcquillen, Kevin, author
Mike Murach & Associates, 1975
Buku Teks
Miller, Alan R., author
John Wiley & Sons, 1981
Buku Teks
Spracklen, Kathe, author
Hayden Books, 1979
Buku Teks