APA引文

HAGEL JOHN. (1999). NET GAIN. HARVARD BUSINESS SCHOOL.

芝加哥风格引文

HAGEL JOHN. NET GAIN. BOSTON: HARVARD BUSINESS SCHOOL, 1999.

MLA引文

HAGEL JOHN. NET GAIN. HARVARD BUSINESS SCHOOL, 1999.

警告：这些引文格式不一定是100％准确.