Ury, W. (1991). Getting Past No. Random House.
Chicagoスタイル(17版)引用形式Ury, William. Getting Past No. New Delhi: Random House, 1991.
MLA(9版)引用形式Ury, William. Getting Past No. Random House, 1991.
警告: この引用は必ずしも正確ではありません.
Ury, W. (1991). Getting Past No. Random House.
Chicagoスタイル(17版)引用形式Ury, William. Getting Past No. New Delhi: Random House, 1991.
MLA(9版)引用形式Ury, William. Getting Past No. Random House, 1991.