Hancock, T. (1857). Personal narrative of the origin and progress of the caoutchouc or india-rubber manufacture in England. Longman, Brown, Green, Longmans, & Roberts.
Chicago-referens (17:e uppl.)Hancock, Thomas. Personal Narrative of the Origin and Progress of the Caoutchouc or India-rubber Manufacture in England. London: Longman, Brown, Green, Longmans, & Roberts, 1857.
MLA-referens (8:e uppl.)Hancock, Thomas. Personal Narrative of the Origin and Progress of the Caoutchouc or India-rubber Manufacture in England. Longman, Brown, Green, Longmans, & Roberts, 1857.
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