Sosa de Newton, L. (1967). Lavalle (1 ed.). Plus Ultra.
Tohutoru Kātū Chicago (17th ed.)Sosa de Newton, Lily. Lavalle. 1 ed. Buenos Aires: Plus Ultra, 1967.
Tohutoro MLA (9th ed.)Sosa de Newton, Lily. Lavalle. 1 ed. Plus Ultra, 1967.
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