Style de citation APA

Hoffman, G. W. (1985). The european energy challenge: East and West. Duke Univ. Pr.

Style de citation Chicago

Hoffman, George Walter. The European Energy Challenge: East and West. Durham, N.C: Duke Univ. Pr, 1985.

Style de citation MLA

Hoffman, George Walter. The European Energy Challenge: East and West. Duke Univ. Pr, 1985.

Attention : ces citations peuvent ne pas être correctes à 100%.