APA引文

Burghart, H. E. (1979). Sugar from Canada. Washington: U.S. International trade commission.

Trích dẫn kiểu Chicago

Burghart, Harold E. Sugar From Canada. Washington: U.S. International trade commission, 1979.

MLA引文

Burghart, Harold E. Sugar From Canada. Washington: U.S. International trade commission, 1979.

警告:这些引文格式不一定是100%准确.