Jimmy Adrianto H, author
1995
UI - Skripsi (Membership)
Siagian, Sondang P., author
Bumi Aksara, 2001
Buku Teks
Benton, Lewis R., author
McGraw-Hill, 1972
Buku Teks
Fauzi Mihdar, author
1992
UI - Tesis (Membership)
Miller, Lawrence M., author
John Wiley & Sons, 1978
Buku Teks