Carlos Vargas, J. (2005). Mark Twain in Costa Rica? The English text and Spanish translation of Mark Twain's trip to Nicaragua and the San Juan River.
استشهاد بنمط شيكاغوCarlos Vargas, Juan. Mark Twain in Costa Rica? The English Text and Spanish Translation of Mark Twain's Trip to Nicaragua and the San Juan River. 2005.
MLA استشهادCarlos Vargas, Juan. Mark Twain in Costa Rica? The English Text and Spanish Translation of Mark Twain's Trip to Nicaragua and the San Juan River. 2005.
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