Dyfyniad APA

LIVINGSTON, G. F. (1960). Learn arithmetic: The easy way. Greystone Press.

Dyfyniad Arddull Chicago

LIVINGSTON, Gilbert F. Learn Arithmetic: The Easy Way. Cambridge: Greystone Press, 1960.

Dyfyniad MLA

LIVINGSTON, Gilbert F. Learn Arithmetic: The Easy Way. Greystone Press, 1960.

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