Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.