APA引文

Perez, D. (1999). Steel firm was bound to fail. Manila Bulletin.

芝加哥风格引文

Perez, Delfin. "Steel Firm Was Bound to Fail." Manila Bulletin 1999.

MLA引文

Perez, Delfin. "Steel Firm Was Bound to Fail." Manila Bulletin, 1999.

警告：这些引文格式不一定是100％准确.