Overland, C., & Cox, R. (1988). Warrington Colescott: Forty years of printmaking : a retrospective, 1948 - 1988 : Elvehjem Museum of Art, November 26, 1988 - January 15, 1989 / catalogue essays by Richard Cox and Carlton Overland. Elvehjem Museum of Art.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিOverland, Carlton, এবং Richard Cox. Warrington Colescott: Forty Years of Printmaking : A Retrospective, 1948 - 1988 : Elvehjem Museum of Art, November 26, 1988 - January 15, 1989 / Catalogue Essays by Richard Cox and Carlton Overland. [Madison, Wisconsin]: Elvehjem Museum of Art, 1988.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিOverland, Carlton, এবং Richard Cox. Warrington Colescott: Forty Years of Printmaking : A Retrospective, 1948 - 1988 : Elvehjem Museum of Art, November 26, 1988 - January 15, 1989 / Catalogue Essays by Richard Cox and Carlton Overland. Elvehjem Museum of Art, 1988.