Trích dẫn APA

Ramsay, J., Wright, C., Thompson, R., Hull, D., & Morice, A. H. (2008). Assessment of antitussive efficacy of dextromethorphan in smoking related cough: Objective vs. subjective measures. Blackwell Science Inc.

Trích dẫn kiểu Chicago

Ramsay, James, Caroline Wright, Rachel Thompson, David Hull, và Alyn H. Morice. Assessment of Antitussive Efficacy of Dextromethorphan in Smoking Related Cough: Objective Vs. Subjective Measures. Blackwell Science Inc, 2008.

Trích dẫn MLA

Ramsay, James, et al. Assessment of Antitussive Efficacy of Dextromethorphan in Smoking Related Cough: Objective Vs. Subjective Measures. Blackwell Science Inc, 2008.

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