APA引文

(1984). Education and economic productivity. Cambridge, Mass: Ballinger Pub. Co.

Trích dẫn kiểu Chicago

Education and Economic Productivity. Cambridge, Mass: Ballinger Pub. Co, 1984.

MLA引文

Education and Economic Productivity. Cambridge, Mass: Ballinger Pub. Co, 1984.

警告：這些引文格式不一定是100％准確.