COHEN HERB. (1990). YOU CAN NEGOTIATE ANYTHING. JAICO PUB. HOUSE.
Čikaški stil citiranja (17. izdanje)COHEN HERB. YOU CAN NEGOTIATE ANYTHING. BOMBAY: JAICO PUB. HOUSE, 1990.
MLA način citiranja (9. izdanje)COHEN HERB. YOU CAN NEGOTIATE ANYTHING. JAICO PUB. HOUSE, 1990.
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