edited by Karl-Eduard von der Heydt and Stanley Keller
Graham & Trotman, 1995
Buku Teks
Bloomenthal, Harold S.
Little, Brown, 1977
Buku Teks
edited by Ernest L. Folk
Sage Hill, 1971
Buku Teks
Hazen, Thomas Lee
West Publishing, 1996
Buku Teks
editoed by Karl-Eduard von der Heydt, Stanley Keller
Graham & Trotman / Martinus Nijhoff, 1995
Buku Referensi