Dyfyniad APA

Head, R. V. A guide to packaged systems. Wiley-Interscience a division of John Wiley.

Dyfyniad Arddull Chicago

Head, Robert V. A Guide to Packaged Systems. New York: Wiley-Interscience a division of John Wiley.

Dyfyniad MLA

Head, Robert V. A Guide to Packaged Systems. Wiley-Interscience a division of John Wiley.

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