Floresca, R. F. (2004). Pawikan finds refuge in shell Tabangao. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Floresca, Roman F. "Pawikan Finds Refuge in Shell Tabangao." Philippine Star 2004.
Lua MLA (9ú heag.)Floresca, Roman F. "Pawikan Finds Refuge in Shell Tabangao." Philippine Star, 2004.
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