Dyfyniad APA

 Herzog, D. A. (2007).  Math you can really use: Every day.  Wiley Pub.

Dyfyniad Arddull Chicago

 Herzog, David Alan.  Math You Can Really Use: Every Day.  Wiley Pub, 2007.

Dyfyniad MLA

 Herzog, David Alan.  Math You Can Really Use: Every Day.  Wiley Pub, 2007.

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