APA-referens (7:e uppl.)

ebrary, Inc, Williamson, J. A., & Skelton, R. A. (2010). The Cabot voyages and Bristol discovery under Henry VII. Ashgate.

Chicago-referens (17:e uppl.)

ebrary, Inc, James Alexander Williamson, och R. A. Skelton. The Cabot Voyages and Bristol Discovery Under Henry VII. Farnham, England ; Burlington, Vt.: Ashgate, 2010.

MLA-referens (9:e uppl.)

ebrary, Inc, et al. The Cabot Voyages and Bristol Discovery Under Henry VII. Ashgate, 2010.