Bartlett, J., & Gibbon, D. P. (1984). Animal draught technology: An annotated bibliography. Overseas Development Group of the University of East Anglia, IT Publications.
Lua i Stíl Chicago (17ú heag.)Bartlett, Jane, agus David P. Gibbon. Animal Draught Technology: An Annotated Bibliography. London: Overseas Development Group of the University of East Anglia, IT Publications, 1984.
Lua MLA (8ú heag.)Bartlett, Jane, agus David P. Gibbon. Animal Draught Technology: An Annotated Bibliography. Overseas Development Group of the University of East Anglia, IT Publications, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.