Meriam, James L., author
John Wiley & Sons, 1975
Buku Teks
Academy Editions, 1993
Buku Teks
Maxwell, Robert, author
Birkhauser Verlag, 1998
Buku Teks
Joyce, James, author
Penguin Books , 1961
Buku Teks
Anderson, Chester G., author
Thames & Hudson, 1967
Buku Teks