Gaya APA
Perkin, G, D. (2003).
An Illustrated Pocketbook Of Parkinson'S Disease And Related Disorders .
New York:
Parthenon Publishing.
Gaya MLA
Perkin, G., David.
"An Illustrated Pocketbook Of Parkinson'S Disease And Related Disorders".
0
New York:
Parthenon Publishing,
2003.
Text.