Spear, R. E. (1999). Seeing double: Two versions of Guercino's Joseph and Potiphar's wife (1a. ed.). Harn Museum of Art.
Chicago Style (17. basım) AtıfSpear, Richard E. Seeing Double: Two Versions of Guercino's Joseph and Potiphar's Wife. 1a. ed. Gainesville: Harn Museum of Art, 1999.
MLA (9th ed.) AtıfSpear, Richard E. Seeing Double: Two Versions of Guercino's Joseph and Potiphar's Wife. 1a. ed. Harn Museum of Art, 1999.
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