Atkinson, Kendall E., author
John Wiley, 1993
Buku Teks
Atkinson, Kendall E., author
John Wiley & Sons, 1978
Buku Teks
Linz, Peter, author
John Wiley & Sons, 1979
Buku Teks
Ralston, Anthony, author
McGraw-Hill, 1978
Buku Teks
Research and Education Association, 1987
Buku Teks