Moser, Claus A., author
Heinemann Educational Books, 1973
Buku Teks
Artikel Jurnal
Moser, Claus A., author
Basic Books, 1972
Buku Teks
Moser, Claus A., author
Heinemann Educational Books, 1974
Buku Teks
Stephan, Frederick F.
Chapman & Hall , 1958
Buku Teks