APA aipamena

Djulbegovic, B., Trikalinos, T. A., Roback, J., Chen, R., & Guyatt, G. (2009). Impact of quality of evidence on the strength of recommendations: An empirical study. BioMed Central.

Chicago Style aipamena

Djulbegovic, Benjamin, Thomas A. Trikalinos, John Roback, Ren Chen, and Gordon Guyatt. Impact of Quality of Evidence On the Strength of Recommendations: An Empirical Study. BioMed Central, 2009.

MLA aipamena

Djulbegovic, Benjamin, et al. Impact of Quality of Evidence On the Strength of Recommendations: An Empirical Study. BioMed Central, 2009.