Citazione Stile APA (7a Edizione)

Coffman, J. S. (1992). Manganese availability--market economy countries: 1980's perspective. U.S. Dept. of the Interior, Bureau of Mines.

Citazione stile Chigago Style (17a edizione)

Coffman, Joseph S. Manganese Availability--market Economy Countries: 1980's Perspective. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1992.

Citatione MLA (9a ed.)

Coffman, Joseph S. Manganese Availability--market Economy Countries: 1980's Perspective. U.S. Dept. of the Interior, Bureau of Mines, 1992.