Louis Fidge; Sarah Lindsey; Stephanie Austwick. (2013). Vocabulary: Teacher's Guide 1 (Collins Primary Focus) (New edition.). HarperCollins UK.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLouis Fidge; Sarah Lindsey; Stephanie Austwick. Vocabulary: Teacher's Guide 1 (Collins Primary Focus). New edition. HarperCollins UK, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLouis Fidge; Sarah Lindsey; Stephanie Austwick. Vocabulary: Teacher's Guide 1 (Collins Primary Focus). New edition. HarperCollins UK, 2013.
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