LIVINGSTON, G. F. (1960). Learn arithmetic: The easy way. Greystone Press.
Chicagoスタイル(17版)引用形式LIVINGSTON, Gilbert F. Learn Arithmetic: The Easy Way. Cambridge: Greystone Press, 1960.
MLA(9版)引用形式LIVINGSTON, Gilbert F. Learn Arithmetic: The Easy Way. Greystone Press, 1960.
警告: この引用は必ずしも正確ではありません.