Roy,P N. (2019). International Trade: Theory and Practice (second.). New Age International Publishers.
Chicagoスタイル(17版)引用形式Roy,P N. International Trade: Theory and Practice. second. New Delhi: New Age International Publishers, 2019.
MLA(9版)引用形式Roy,P N. International Trade: Theory and Practice. second. New Age International Publishers, 2019.