Dyfyniad APA

De Castro, E. (2017). Powerful Knight at d6. IN Let's Play Chess [column]. Philippine Star.

Dyfyniad Arddull Chicago

De Castro, Edgar. "Powerful Knight at D6. IN Let's Play Chess [column]." Philippine Star 2017.

Dyfyniad MLA

De Castro, Edgar. "Powerful Knight at D6. IN Let's Play Chess [column]." Philippine Star, 2017.

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