Dyfyniad APA

Sweet's Catalog Service. (1952). Product design file. Sweet's Catalog Service.

Dyfyniad Arddull Chicago

Sweet's Catalog Service. Product Design File. New York: Sweet's Catalog Service, 1952.

Dyfyniad MLA

Sweet's Catalog Service. Product Design File. Sweet's Catalog Service, 1952.

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