APA引文

PORTER MICHAEL E. (1998). ON COMPETITION. HARVERD BUSINESS SCHOOL.

Chicago Style (17th ed.) Citation

PORTER MICHAEL E. ON COMPETITION. BOSTON: HARVERD BUSINESS SCHOOL, 1998.

MLA引文

PORTER MICHAEL E. ON COMPETITION. HARVERD BUSINESS SCHOOL, 1998.

警告：這些引文格式不一定是100％准確.