Agus Dharma
Rajawali Pers, 1991
Buku Teks
Haimann, Theo
South-Western Pub., 1982
Buku Teks
Tagliaferri, Louis E.
John Wiley & Sons, 1979
Buku Teks
Boyd, Branford B.
McGraw-Hill , 1984
Buku Teks
Werther, William B.
Tianxia Wenhua Chuban Gufen Youxian Gongsi, [date of publication not identified]
Buku Teks