APA引文

Witkin, J. Making businesses greener and leaner. Manila bulletin.

芝加哥风格引文

Witkin, Jim. "Making Businesses Greener and Leaner." Manila Bulletin .

MLA引文

Witkin, Jim. "Making Businesses Greener and Leaner." Manila Bulletin, .

警告：这些引文格式不一定是100％准确.