APA引文

Harries, O. (1993). America's purpose: New provisions of U.S.foreign policy;1.

Chicago Edition Citation

Harries, Owen. America's Purpose: New Provisions of U.S.foreign Policy;1. New Delhi, Macmillan India, 1993.

MLA引文

Harries, Owen. America's Purpose: New Provisions of U.S.foreign Policy;1. 1993.

警告：這些引文格式不一定是100％准確.