APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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