Gaya APA

Parker, J, N., Parker, P, M. (2003). E-book The Official Patient's Sourcebook on Osteoarthritis . San Diego: ICON Group International.

Gaya MLA

Parker, James, N.., Parker, Philip, M.. "E-book The Official Patient's Sourcebook on Osteoarthritis". San Diego: ICON Group International, 2003. Text.