Gaya APA

Weiner, W, J., Factor, S, A. (2008). Parkinson's Disease : Diagnosis and Clinical Management 2nd Ed. (2nd Ed.). : Demos Medical Publishing.

Gaya MLA

Weiner, William, J.., Factor, Stewart, A.. "Parkinson's Disease : Diagnosis and Clinical Management 2nd Ed.". 2nd Ed. : Demos Medical Publishing, 2008. Text.