Paul Watson, David Gibson, Hanney Neil, Peter Rushforth, Stuart Smith, Catherine Walsh, Garry Workman
Blackwell Publishing, 2008
Buku Teks
Brookes, Alan J., author
Taylor &Fransic, 2008
Buku Teks
Roberts, Jack
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Buku Teks
De Chiara, Joseph, 1929-, author
Erlangga , 1990
Buku Teks
De Chiara, Joseph, 1929-, author
McGraw-Hill, 1978
Buku Teks