Simon Barefoot. (2019). Cambridge IGCSE Spanish. Third Edition (Third Edition.). Hodder Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimon Barefoot. Cambridge IGCSE Spanish. Third Edition. Third Edition. London: Hodder Education, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSimon Barefoot. Cambridge IGCSE Spanish. Third Edition. Third Edition. Hodder Education, 2019.
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