Plastic? A New Look at the Bag Scourge. The Wall Street Journal. 2009-06-12 [2015-06-11]. (原始内容存档于2021-01-26) (英语). Pereira, Andrew. Oahu’s bagban includes
Plastic, Glass, Stainless Steel, or Silicone?. Gimme the Good Stuff. 8 February 2018 [6 December 2021]. (原始内容存档于9 December 2021). The Best Plastic-Free