Kirkpatrick, B. (2007). How to ask questions. Singapore: Learners publishing.
शिकागो स्टाइल उद्धरणKirkpatrick, Betty. How to Ask Questions. Singapore: Learners publishing, 2007.
एमएलए उद्धरणKirkpatrick, Betty. How to Ask Questions. Singapore: Learners publishing, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.