Harvey, K. s. d. B. W. (1992). Butterfly. Grijalbo.
Cita Chicago Style (17a ed.)Harvey, Kathryn seud. de Barbara Wood. Butterfly. Buenos Aires: Grijalbo, 1992.
Cita MLA (9a ed.)Harvey, Kathryn seud. de Barbara Wood. Butterfly. Grijalbo, 1992.
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