Dyfyniad APA

Kee, F., Patterson, C., & Collins, B. (1990). Colorectal cancer in the north and south of Ireland 1950-1984.

Dyfyniad Arddull Chicago

Kee, F., C. Patterson, and B. Collins. Colorectal Cancer in the North and South of Ireland 1950-1984. 1990.

Dyfyniad MLA

Kee, F., C. Patterson, and B. Collins. Colorectal Cancer in the North and South of Ireland 1950-1984. 1990.

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