APA استشهاد

Norell, M. S., & Jennings, K. P. (2006). National variations in cardiac service provision: How united is our kingdom? BMJ Group.

استشهاد بنمط شيكاغو

Norell, M S., و K P. Jennings. National Variations in Cardiac Service Provision: How United Is Our Kingdom? BMJ Group, 2006.

MLA استشهاد

Norell, M S., و K P. Jennings. National Variations in Cardiac Service Provision: How United Is Our Kingdom? BMJ Group, 2006.

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