Dyfyniad APA

Gray, R., & Wheatley, K. (1991). How to avoid bias when comparing bone marrow transplantation with chemotherapy.

Dyfyniad Arddull Chicago

Gray, R., and K. Wheatley. How to Avoid Bias When Comparing Bone Marrow Transplantation with Chemotherapy. 1991.

Dyfyniad MLA

Gray, R., and K. Wheatley. How to Avoid Bias When Comparing Bone Marrow Transplantation with Chemotherapy. 1991.

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