Blackburn, J., & Gnojewski, C. (1996). Hardthrob: Story & art by John Blackburn. Edited by Carol Gnojewski. Eros Comix.
Chicago Style (17. basım) AtıfBlackburn, John, ve Carol Gnojewski. Hardthrob: Story & Art by John Blackburn. Edited by Carol Gnojewski. Seattle, Wash.: Eros Comix, 1996.
MLA (8th ed.) AtıfBlackburn, John, ve Carol Gnojewski. Hardthrob: Story & Art by John Blackburn. Edited by Carol Gnojewski. Eros Comix, 1996.
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