APA引文

(1972). How things work: The universal encyclopedia of machines. London: Paladin.

Trích dẫn kiểu Chicago

How Things Work: The Universal Encyclopedia of Machines. London: Paladin, 1972.

MLA引文

How Things Work: The Universal Encyclopedia of Machines. London: Paladin, 1972.

警告：這些引文格式不一定是100％准確.