APA引文

Barfield, C. E. (1982). Science policy from ford to reagan change and continuity. Washington: American Enterprise.

Trích dẫn kiểu Chicago

Barfield, Claude E. Science Policy From Ford to Reagan Change and Continuity. Washington: American Enterprise, 1982.

MLA引文

Barfield, Claude E. Science Policy From Ford to Reagan Change and Continuity. Washington: American Enterprise, 1982.

警告：這些引文格式不一定是100％准確.