Echeminada, P. (2008). Laughing, red-faced monkeys spotted in Mindanao wild. Philippine Star.
Čikaški stil citiranja (17. izdanje)Echeminada, Perseus. "Laughing, Red-faced Monkeys Spotted in Mindanao Wild." Philippine Star 2008.
MLA način citiranja (9. izdanje)Echeminada, Perseus. "Laughing, Red-faced Monkeys Spotted in Mindanao Wild." Philippine Star, 2008.
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