Conger, David, author
Pearson, 2002
Buku Teks
McCraken, Daniel D., author
John Wiley & Sons, 1976
Buku Teks
Albrecht, Bob, author
John Wiley & Sons, 1978
Buku Teks
Albrecht, Bob, author
John Wiley & Sons, 1978
Buku Teks
Albrecht, Bob, author
John Wiley & Sons, 1978
Buku Teks