APA引文

Killough, H. B., & Killough, L. (1948). Economics of international trade. McGraw-Hill Book Co.

芝加哥风格引文

Killough, Hugh Baxter, 与 Lucy Killough. Economics of International Trade. New York: McGraw-Hill Book Co, 1948.

MLA引文

Killough, Hugh Baxter, 与 Lucy Killough. Economics of International Trade. McGraw-Hill Book Co, 1948.