Gaya APA
Theobald, N., Winder, B. (2006).
Packaging Closure and Sealing Systems .
Amerika Serikat:
Blackwell Science.
Gaya MLA
Theobald, Nigel., Winder, Belinda.
"Packaging Closure and Sealing Systems".
Amerika Serikat:
Blackwell Science,
2006.
Text.