Dyfyniad APA

Kahan,Steven. (1978). Have some sums to solve: The complete alphametics books. Universities press.

Dyfyniad Arddull Chicago

Kahan,Steven. Have Some Sums to Solve: The Complete Alphametics Books. Hyderabad: Universities press, 1978.

Dyfyniad MLA

Kahan,Steven. Have Some Sums to Solve: The Complete Alphametics Books. Universities press, 1978.

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