Halpern, M., Shikiar, R., Rentz, A., & Khan, Z. (2001). Impact of smoking status on workplace absenteeism and productivity. BMJ Group.
शिकागो स्टाइल उद्धरणHalpern, M., R. Shikiar, A. Rentz, और Z. Khan. Impact of Smoking Status On Workplace Absenteeism and Productivity. BMJ Group, 2001.
एमएलए उद्धरणHalpern, M., R. Shikiar, A. Rentz, और Z. Khan. Impact of Smoking Status On Workplace Absenteeism and Productivity. BMJ Group, 2001.
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