edited by Peter W. Price ... [and others]
John Wiley & Sons, 1991
Buku Teks
edited by Jose I. Furtado
Harwood Academic , 1990.
Buku Teks
edited by David J. Galloway
Clarendon Press, 1991
Buku Teks
Schneider, Jurgen, author
Leipzig , 1967
Buku Teks
Salmon, Cleveland
John Wiley & Sons, 1999
Buku Teks