APA引文

Drucker, P. F. (1971). New markets and other essays. Heinemann.

Chicago Edition Citation

Drucker, Peter F. New Markets and Other Essays. London: Heinemann, 1971.

MLA引文

Drucker, Peter F. New Markets and Other Essays. Heinemann, 1971.

警告：這些引文格式不一定是100％准確.