APA-referens (7:e uppl.)

Graham, D. (1968). John Cheap, the chapman's library: The Scottish chap literature of last century, classified , with life of Dougal Graham ; Glasgow R. Lindsay, 1877-78. Singing Tree Press.

Chicago-referens (17:e uppl.)

Graham, Dougal. John Cheap, the Chapman's Library: The Scottish Chap Literature of Last Century, Classified , with Life of Dougal Graham ; Glasgow R. Lindsay, 1877-78. Detroit: Singing Tree Press, 1968.

MLA-referens (9:e uppl.)

Graham, Dougal. John Cheap, the Chapman's Library: The Scottish Chap Literature of Last Century, Classified , with Life of Dougal Graham ; Glasgow R. Lindsay, 1877-78. Singing Tree Press, 1968.