APA استشهاد

Nilsing, E., Söderberg, E., & Öberg, B. (2012). Sickness certificates in Sweden: Did the new guidelines improve their quality? BioMed Central.

استشهاد بنمط شيكاغو

Nilsing, Emma, Elsy Söderberg, و Birgitta Öberg. Sickness Certificates in Sweden: Did the New Guidelines Improve Their Quality? BioMed Central, 2012.

MLA استشهاد

Nilsing, Emma, Elsy Söderberg, و Birgitta Öberg. Sickness Certificates in Sweden: Did the New Guidelines Improve Their Quality? BioMed Central, 2012.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.