Schippers, Birgit, author
Routledge, 2014
Buku Teks
Scott, William Neville, author
University of Queensland Press, 1967
Buku Teks
Flippo, Edwin B., author
McGraw-Hill, 1984
Buku Teks
Winardi, author
Alumni, 1978
Buku Teks
Winardi, author
Alumni, 1978
Buku Teks