APA
Eugene Braunwald, Antohony S. Fauci M., Dan L. Longo, Dennis Kasper & Stephan L. Hauser. (2001). Principles of Internal medicine. Lisboa: McGraw-Hill.
Chicago
Eugene Braunwald, Antohony S. Fauci Md, Dan L. Longo, Dennis Kasper and Stephan L. Hauser. 2001. Principles of Internal medicine. Lisboa: McGraw-Hill.
Harvard
Eugene Braunwald, Antohony S. Fauci M., Dan L. Longo, Dennis Kasper and Stephan L. Hauser. (2001). Principles of Internal medicine. Lisboa: McGraw-Hill.
MLA
Eugene Braunwald, Antohony S. Fauci Md, Dan L. Longo, Dennis Kasper and Stephan L. Hauser. Principles of Internal medicine. Lisboa: McGraw-Hill. 2001.