Walker, R. (2006). English for careers tourism student’s book 1. Oxford University Press.
शिकागो स्टाइल उद्धरणWalker, Robin. English for Careers Tourism Student’s Book 1. Oxford University Press, 2006.
एमएलए उद्धरणWalker, Robin. English for Careers Tourism Student’s Book 1. Oxford University Press, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.