Dyfyniad APA

Roncarelli, S., & Ellicott, C. (2010). Packaging essentials: 100 design principles for creating packages. Rockport Publishers.

Dyfyniad Arddull Chicago

Roncarelli, Sarah, and Candace Ellicott. Packaging Essentials: 100 Design Principles for Creating Packages. Beverly, Mass.: Rockport Publishers, 2010.

Dyfyniad MLA

Roncarelli, Sarah, and Candace Ellicott. Packaging Essentials: 100 Design Principles for Creating Packages. Rockport Publishers, 2010.

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