APA-referens (7:e uppl.)

Steffen, R., Athanasou, N., Gill, H., & Murray, D. (2010). Avascular necrosis associated with fracture of the femoral neck after hip resurfacing: Histological assessment of femoral bone from retrieval specimens.

Chicago-referens (17:e uppl.)

Steffen, RT, N. Athanasou, H. Gill, och D. Murray. Avascular Necrosis Associated with Fracture of the Femoral Neck After Hip Resurfacing: Histological Assessment of Femoral Bone from Retrieval Specimens. 2010.

MLA-referens (9:e uppl.)

Steffen, RT, et al. Avascular Necrosis Associated with Fracture of the Femoral Neck After Hip Resurfacing: Histological Assessment of Femoral Bone from Retrieval Specimens. 2010.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.