Não informado. Index to Latin American Periodical Literature. Pan American Union, Columbus Memorial Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Index to Latin American Periodical Literature. Boston, Mass: Pan American Union, Columbus Memorial Library.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Index to Latin American Periodical Literature. Pan American Union, Columbus Memorial Library.
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