Sahanaya, W. IELTS preparation and practice. Oxford: Oxford University Press.
शिकागो स्टाइल उद्धरणSahanaya, Wendy. IELTS Preparation and Practice. Oxford: Oxford University Press.
एमएलए उद्धरणSahanaya, Wendy. IELTS Preparation and Practice. Oxford: Oxford University Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.