Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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