APA引文

Radetzki,Marian. (1990). A guide to primary commodities in the world economy. Basil Blackwell.

Chicago Edition Citation

Radetzki,Marian. A Guide to Primary Commodities in the World Economy. U K: Basil Blackwell, 1990.

MLA引文

Radetzki,Marian. A Guide to Primary Commodities in the World Economy. Basil Blackwell, 1990.

警告：這些引文格式不一定是100％准確.