De Gracia, A. G. Q. (2011). Aswang (monsters) and supernaturalisms: Nocturnal deities. Rex Book Store.
Čikaški stil citiranja (17. izdanje)De Gracia, Alta Grace Q. Aswang (monsters) and Supernaturalisms: Nocturnal Deities. Manila: Rex Book Store, 2011.
MLA način citiranja (9. izdanje)De Gracia, Alta Grace Q. Aswang (monsters) and Supernaturalisms: Nocturnal Deities. Rex Book Store, 2011.
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