Dyfyniad APA

Estupigan, R. (1997). Secrets of effective study habits. Manila Bulletin.

Dyfyniad Arddull Chicago

Estupigan, Ruth. "Secrets of Effective Study Habits." Manila Bulletin 1997.

Dyfyniad MLA

Estupigan, Ruth. "Secrets of Effective Study Habits." Manila Bulletin, 1997.

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