Jonew, M. (1973). Commerce examination question answered. Pitman Pub.
Čikaški stil citiranja (17. izdanje)Jonew, M. Commerce Examination Question Answered. London: Pitman Pub, 1973.
MLA način citiranja (9. izdanje)Jonew, M. Commerce Examination Question Answered. Pitman Pub, 1973.
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