Cunningham, G. (1988). Language to go: Pre-intermediate, students' book. Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCunningham, Gillie. Language to Go: Pre-intermediate, Students' Book. England: Longman, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCunningham, Gillie. Language to Go: Pre-intermediate, Students' Book. Longman, 1988.
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