APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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