APA (7. basım) Alıntı

Estupigan, R. (1999). The 7 C's of wise shopping. Manila Bulletin.

Chicago Style (17. basım) Atıf

Estupigan, Ruth. "The 7 C's of Wise Shopping." Manila Bulletin 1999.

MLA (9th ed.) Atıf

Estupigan, Ruth. "The 7 C's of Wise Shopping." Manila Bulletin, 1999.