edited by S. Venugopal Rao
Vikas Pub. House, 1988
Buku Teks
Adler, Freda, author
McGraw-Hill, 1998
Buku Teks
Adler, Freda, author
McGraw-Hill, 1991
Buku Teks
Vito, Gennaro F., author
Wadsworth, 1994
Buku Teks
Newburn, Tim, author
Routledge, 2017
Buku Teks