Indrawijaya, Adam I.
Sinar Baru, 1989
Buku Teks
Davis, Keith, 1918-, author
Erlangga , 1985
Buku Teks
Melcher, Arlyn J
Rineka Cipta, 1990
Buku Teks
Melcher, Arlyn J
Rineka Cipta, 1990
Buku Teks
Sutarto, author
Gadjah Mada university Press, 1982
Buku Teks