A. W. Widjaja, author
Akademika Pressindo, 1985
Buku Teks
M. Iqbal Hasan, author
Rajawali, 2002
Buku Teks
H.A.W. Widjaja,1940-, author
RajaGrafindo Persada, 1995
Buku Teks
A.W. Widjaja, author
Akademika Pressindo, 1986
Buku Teks
Christine S.T. Kansil, author
Pustaka Sinar Harapan, 2002
Buku Teks