Colmenares, P. C. (2012). Vigan: Where the old world stands on a cobbledstone street. Cruising.
Chicago Style (17. basım) AtıfColmenares, Pinky Concha. "Vigan: Where the Old World Stands on a Cobbledstone Street." Cruising 2012.
MLA (9th ed.) AtıfColmenares, Pinky Concha. "Vigan: Where the Old World Stands on a Cobbledstone Street." Cruising, 2012.
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