COHEN HERB. (1990). YOU CAN NEGOTIATE ANYTHING. JAICO PUB. HOUSE.
Cita Chicago (17th ed.)COHEN HERB. YOU CAN NEGOTIATE ANYTHING. BOMBAY: JAICO PUB. HOUSE, 1990.
Cita MLA (9th ed.)COHEN HERB. YOU CAN NEGOTIATE ANYTHING. JAICO PUB. HOUSE, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.