Dyfyniad APA

Patrick G Boyle. (1981). Planning better program. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Patrick G Boyle. Planning Better Program. New York: McGraw-Hill, 1981.

Dyfyniad MLA

Patrick G Boyle. Planning Better Program. New York: McGraw-Hill, 1981.

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