Benyus, Janine M. author
The Secret language of animals : a guide to remarkable behavior
Black Dog & Leventhal Publishers, 2014
 Buku Referensi
Costain, Thomas B.
The chord of steel : the story of the invention of the telephone
New York: Doubleday, 1960
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Hopgood, Alan
And here comes Bucknuckle : the story of a racehorce and a sequel to and the big man fly
Heinemann Educational Australia, 1980
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Standage, Tom
The victorian internet: the remarkable story of the telegraph and the nineteenth century on-line pioneers
Berkley Books , 1998
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Scott, E Evelyn
Escape
New York T Seltzer 1923
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