Dawson, Steve, author
Marshall Cavendish Edition, 2010
Buku Teks
Byrne, Denis, author
Departement of Environment and Conservation, 2004
Buku Teks
Fraser, Alex
McGraw-Hill, 1966
Buku Teks
Buzo, Alex
Angus and Roberson Publishers, 1985
Buku Teks
I Putu Gede Ary Suta, 1958-, author
Yayasan SAD SATRIA BHAKTI, 2004
Buku Teks