Stitt, Fred A., editor
McGraw-Hill, 1999
Buku Referensi
edited by Graeme Brooker and Lois Weinthal
Bloomsbury Academic, 2013
Buku Teks
editors, George F. Thompson, Frederick R. Steiner
John Wiley & Sons, 1997
Buku Teks
Simonds, John Ormsbee
McGraw-Hill, 1983
Buku Teks
Uffelen, Chris van
Thames & Hudson, 2009
Buku Referensi