Trafford, C. (2008). Dunia Penuh Sampah. Erlangga For Kids.
Chicago Style (17th ed.) CitationTrafford, Caren. Dunia Penuh Sampah. Erlangga For Kids, 2008.
MLA (8th ed.) CitationTrafford, Caren. Dunia Penuh Sampah. Erlangga For Kids, 2008.
Warning: These citations may not always be 100% accurate.