Dyfyniad APA

Shepherd, H., Selby, W., Chapman, R., Nolan, D., Barbatis, C., McGee, J., & Jewell, D. (1983). Ulcerative colitis and persistent liver dysfunction.

Dyfyniad Arddull Chicago

Shepherd, H., W. Selby, R. Chapman, D. Nolan, C. Barbatis, J. McGee, and D. Jewell. Ulcerative Colitis and Persistent Liver Dysfunction. 1983.

Dyfyniad MLA

Shepherd, H., et al. Ulcerative Colitis and Persistent Liver Dysfunction. 1983.

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