APA Alıntı

Hartvigsen, J., Christensen, K., & Frederiksen, H. (2003). Back pain remains a common symptom in old age. A population-based study of 4486 Danish twins aged 70–102. Springer-Verlag.

Chicago Stili Alıntı

Hartvigsen, Jan, Kaare Christensen, ve Henrik Frederiksen. Back Pain Remains a Common Symptom in Old Age. A Population-based Study of 4486 Danish Twins Aged 70–102. Springer-Verlag, 2003.

MLA Alıntı

Hartvigsen, Jan, Kaare Christensen, ve Henrik Frederiksen. Back Pain Remains a Common Symptom in Old Age. A Population-based Study of 4486 Danish Twins Aged 70–102. Springer-Verlag, 2003.