Dyfyniad APA

Ruston, H. (1978). Programming with PL/I. McGraw-Hill.

Dyfyniad Arddull Chicago

Ruston, Henry. Programming with PL/I. New York: McGraw-Hill, 1978.

Dyfyniad MLA

Ruston, Henry. Programming with PL/I. McGraw-Hill, 1978.

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