Gulbrandsen, P., Hofoss, D., Nylenna, M., Šaltytė-Benth, J., & Aasland, O. G. (2007). General practitioners’ relationship to sickness certification. Informa Healthcare.
Chicago Style aipamenaGulbrandsen, Pål, Dag Hofoss, Magne Nylenna, Jūratė Šaltytė-Benth, and Olaf G. Aasland. General Practitioners’ Relationship to Sickness Certification. Informa Healthcare, 2007.
MLA aipamenaGulbrandsen, Pål, et al. General Practitioners’ Relationship to Sickness Certification. Informa Healthcare, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.