Chant, Christopher
Twentieth century war machines
London: Chancellor Press, 1999,
 Buku Referensi
Chant, Christopher
Land : twentieth century war machines
Chancellor Press, 1999
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Chant, Christophe
Twentieth century war machines Air
Chancelor Press, 1999
 Buku Referensi
Ford, Roger
The World's great thanks
London: Grange Books, 1997,
 Buku Referensi
The biology of sea snakes
edited by William A. Dunson
University Park Press, 1975
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