Burns, Nancy, author
W.B. Saunders, 1997
Buku Teks
Burns, Nancy, author
W.B. Saunders, 1993
Buku Teks
Mueller, Gerhard O. W., author
Oceana Publications, 1980
Buku Teks
edited by Olivera Simic
Springer, 2012
eBooks
Feld, Werner J., author
Pergamon Press, 1980
Buku Teks