Subido, P. (2000). Don't buy endangered wildlife. IN Perfectly perplexed [column]. Philippine Star.
Chicago-referens (17:e uppl.)Subido, Paulo. "Don't Buy Endangered Wildlife. IN Perfectly Perplexed [column]." Philippine Star 2000.
MLA-referens (9:e uppl.)Subido, Paulo. "Don't Buy Endangered Wildlife. IN Perfectly Perplexed [column]." Philippine Star, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.