Kaplan, Louis, author
Duke Unipersity Press, 1995
Buku Teks
School Government Publishing Co., 1987
Buku Referensi
Kompassindo
Jakarta : Kompassindo, 1994,
Buku Referensi
The British Library Board
The British Library Board, 1993
Buku Referensi
Art Address Verlag Muller GMBH , 1982
Buku Referensi