Endersby, B. B. (1993). General Idea: Multiples : catalogue raisonné ; multiples and prints 1967 - 1993 / S. L. Simpson Gallery, Toronto. [Ed.: Beverly Beetham Endersby].
Cita Chicago (17th ed.)Endersby, Beverly Beetham. General Idea: Multiples : Catalogue Raisonné ; Multiples and Prints 1967 - 1993 / S. L. Simpson Gallery, Toronto. [Ed.: Beverly Beetham Endersby]. 1993.
Cita MLA (8th ed.)Endersby, Beverly Beetham. General Idea: Multiples : Catalogue Raisonné ; Multiples and Prints 1967 - 1993 / S. L. Simpson Gallery, Toronto. [Ed.: Beverly Beetham Endersby]. 1993.
Atenció: Aquestes cites poden no estar 100% correctes.