Wybenga, G. L., & Roth, L. (2006). The packaging designer's book of patterns (3rd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Wybenga, George L., agus Laszlo Roth. The Packaging Designer's Book of Patterns. 3rd ed. Hoboken, New Jersey: Wiley, 2006.
Lua MLA (9ú heag.)Wybenga, George L., agus Laszlo Roth. The Packaging Designer's Book of Patterns. 3rd ed. Wiley, 2006.
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