Chris Redston. (2002). Cutting edge; Starter; Teacher's Resource Book. England: Longman.
शिकागो स्टाइल उद्धरणChris Redston. Cutting Edge; Starter; Teacher's Resource Book. England: Longman, 2002.
एमएलए उद्धरणChris Redston. Cutting Edge; Starter; Teacher's Resource Book. England: Longman, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.