Callaghan, W. (2003). Reminding patients by text message: Try reverse billing. BMJ Publishing Group Ltd.
शिकागो स्टाइल उद्धरणCallaghan, Will. Reminding Patients By Text Message: Try Reverse Billing. BMJ Publishing Group Ltd, 2003.
एमएलए उद्धरणCallaghan, Will. Reminding Patients By Text Message: Try Reverse Billing. BMJ Publishing Group Ltd, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.