Dyfyniad APA

Wybenga, G. L., & Roth, L. (2006). The packaging designer's book of patterns (3rd ed.). Wiley.

Dyfyniad Arddull Chicago

Wybenga, George L., and Laszlo Roth. The Packaging Designer's Book of Patterns. 3rd ed. Hoboken, New Jersey: Wiley, 2006.

Dyfyniad MLA

Wybenga, George L., and Laszlo Roth. The Packaging Designer's Book of Patterns. 3rd ed. Wiley, 2006.

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