Coronado Guardia, V. (1985). Proverbs as focus for Emerson's ideas on poetry and nature. Escuela de Lenguas Modernas, Universidad de Costa Rica.
Čikaški stil citiranja (17. izdanje)Coronado Guardia, Victoria. Proverbs as Focus for Emerson's Ideas on Poetry and Nature. San José, Costa Rica: Escuela de Lenguas Modernas, Universidad de Costa Rica, 1985.
MLA način citiranja (9. izdanje)Coronado Guardia, Victoria. Proverbs as Focus for Emerson's Ideas on Poetry and Nature. Escuela de Lenguas Modernas, Universidad de Costa Rica, 1985.
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