Gaya APA

Felson, D, T., Schaible, H. (2009). E-Book Pain in Osteoarthritis . New Jersey: Wiley-Blackwell.

Gaya MLA

Felson, David, T.., Schaible, Hans-Georg. "E-Book Pain in Osteoarthritis". New Jersey: Wiley-Blackwell, 2009. Text.