Tara Sosrowardoyo, photography
Periplus Editions, 1998
Buku Referensi
Lincoln, George A., author
Prentice-Hall, 1957
Buku Teks
Harris, Symour E.
MaGraw-Hill Book company Inc. , 1947
Buku Teks
Harris, Seymour E.
McGraw-Hill Book Co., 1947
Buku Teks
Morray, Joseph P., author
Beacon Press, 1959
Buku Teks