Arthritis Foundation & Klippel, J. H. (2004). Arthritis drugs and more: An A to Z guide. Arthritis Foundation.
Cita Chicago (17th ed.)Arthritis Foundation i John H. Klippel. Arthritis Drugs and More: An A to Z Guide. Atlanta, GA: Arthritis Foundation, 2004.
Cita MLA (9th ed.)Arthritis Foundation i John H. Klippel. Arthritis Drugs and More: An A to Z Guide. Arthritis Foundation, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.