Gaya APA

SELKE, S, E, . (2004). Plastics Packaging: Properties, Processing, Applications and Regulations 2ed (2). Munich: Hanser Gardner Publications.

Gaya MLA

SELKE, Susan, E.M, . "Plastics Packaging: Properties, Processing, Applications and Regulations 2ed". 2 Munich: Hanser Gardner Publications, 2004. Printed.