edited by Vic Barnett
John Wiley & Sons, 1981
Buku Teks
Hardle, Wolfgang Karl, author
Springer , 2012
eBooks
Schafer, J.L., author
Chapman & Hall, 1997
Buku Teks
Miller, Jane E., author
University of Chicago Press, 2005
Buku Teks
Puri, Madan Lal
John Wiley & Sons, 1971
Buku Teks