APA引文

Drucker, P. (1985). Innovation and entrepreneurship. Heinemann.

Chicago Style (17th ed.) Citation

Drucker, Peter. Innovation and Entrepreneurship. London: Heinemann, 1985.

MLA引文

Drucker, Peter. Innovation and Entrepreneurship. Heinemann, 1985.

警告：這些引文格式不一定是100％准確.