APA aipamena

Rytter, S., Egund, N., Jensen, L. K., & Bonde, J. P. (2009). Occupational kneeling and radiographic tibiofemoral and patellofemoral osteoarthritis. BioMed Central.

Chicago Style aipamena

Rytter, Søren, Niels Egund, Lilli Kirkeskov Jensen, and Jens Peter Bonde. Occupational Kneeling and Radiographic Tibiofemoral and Patellofemoral Osteoarthritis. BioMed Central, 2009.

MLA aipamena

Rytter, Søren, Niels Egund, Lilli Kirkeskov Jensen, and Jens Peter Bonde. Occupational Kneeling and Radiographic Tibiofemoral and Patellofemoral Osteoarthritis. BioMed Central, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.