Dyfyniad APA

National Film Board of Canada, Henderson,Anne, & Wilson, D. (1988). Holding our ground. National Film Board of Canada.

Dyfyniad Arddull Chicago

National Film Board of Canada, Henderson,Anne, and David Wilson. Holding Our Ground. [Ottawa]: National Film Board of Canada, 1988.

Dyfyniad MLA

National Film Board of Canada, et al. Holding Our Ground. National Film Board of Canada, 1988.

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