Dyfyniad APA

Craig, E. V., Dempsey, E., Herring, J., & Williams, R. W. (2004). The shoulder (Second edition.). Lippincott Williams & Wilkins.

Dyfyniad Arddull Chicago

Craig, Edward V., Elizabeth Dempsey, Joel Herring, and Robert W. Williams. The Shoulder. Second edition. Philadelphia: Lippincott Williams & Wilkins, 2004.

Dyfyniad MLA

Craig, Edward V., et al. The Shoulder. Second edition. Lippincott Williams & Wilkins, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.