Perez, R. C. (2015). Spanish for beginners. Books Atbp. Publishing Corp.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPerez, Ramonito C. Spanish for Beginners. Mandaluyong City: Books Atbp. Publishing Corp, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPerez, Ramonito C. Spanish for Beginners. Books Atbp. Publishing Corp, 2015.
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