APA aipamena

Gulbrandsen, P., Hofoss, D., Nylenna, M., Šaltytė-Benth, J., & Aasland, O. G. (2007). General practitioners’ relationship to sickness certification. Informa Healthcare.

Chicago Style aipamena

Gulbrandsen, Pål, Dag Hofoss, Magne Nylenna, Jūratė Šaltytė-Benth, and Olaf G. Aasland. General Practitioners’ Relationship to Sickness Certification. Informa Healthcare, 2007.

MLA aipamena

Gulbrandsen, Pål, et al. General Practitioners’ Relationship to Sickness Certification. Informa Healthcare, 2007.