Tohutoro APA (7th ed.)
Leduc, V., & Spatola, A. (1997). Therese e Isabelle. U. Guanda.
Tohutoru Kātū Chicago (17th ed.)
Leduc, Violette, me Adriano Spatola. Therese E Isabelle. Parma: U. Guanda, 1997.
Tohutoro MLA (9th ed.)
Leduc, Violette, me Adriano Spatola. Therese E Isabelle. U. Guanda, 1997.
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