APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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