APA način citiranja

Sapsford,David, & Ladd,James. (1978). Essential economics. Hart-Davis Educational.

Čikaški stil citiranja

Sapsford,David, i Ladd,James. Essential Economics. Great Britain: Hart-Davis Educational, 1978.

MLA način citiranja

Sapsford,David, i Ladd,James. Essential Economics. Hart-Davis Educational, 1978.