APA引文

Kral, T. (1994). Economic Consideration: English through Content : Applied Economics. Materials Development and Review Branch.

Chicago Edition Citation

Kral, Thomas. Economic Consideration: English Through Content : Applied Economics. Washington: Materials Development and Review Branch, 1994.

MLA引文

Kral, Thomas. Economic Consideration: English Through Content : Applied Economics. Materials Development and Review Branch, 1994.

警告：這些引文格式不一定是100％准確.