Alan David. (2007). Math You Can Really Use--Every Day. American: Wiley.
Dyfyniad Arddull ChicagoAlan David. Math You Can Really Use--Every Day. American: Wiley, 2007.
Dyfyniad MLAAlan David. Math You Can Really Use--Every Day. American: Wiley, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.