Dyfyniad APA

Cortada, J., & Woods, J. A. (1998). The Quality yearbook, 1998. McGraw-Hill.

Dyfyniad Arddull Chicago

Cortada, James, and John A. Woods. The Quality Yearbook, 1998. New York: McGraw-Hill, 1998.

Dyfyniad MLA

Cortada, James, and John A. Woods. The Quality Yearbook, 1998. McGraw-Hill, 1998.

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