APA-Zitierstil (7. Ausg.)

Estupigan, R. (1999). The compatibility factor. Manila Bulletin.

Chicago-Zitierstil (17. Ausg.)

Estupigan, Ruth. "The Compatibility Factor." Manila Bulletin 1999.

MLA-Zitierstil (9. Ausg.)

Estupigan, Ruth. "The Compatibility Factor." Manila Bulletin, 1999.