APA

Drèze J. H., Bean C. R., . (1990). Europe's unemployment problem. Cambridge, Mass. [u.a.]: MIT Press.

Chicago

Drèze Jacques H, Bean Charles R, . 1990. Europe's unemployment problem. Cambridge, Mass. [u.a.]: MIT Press.

Harvard

Drèze J. H., Bean C. R., . (1990). Europe's unemployment problem. Cambridge, Mass. [u.a.]: MIT Press.

MLA

Drèze Jacques H, Bean Charles R, . Europe's unemployment problem. Cambridge, Mass. [u.a.]: MIT Press. 1990.