APA Alıntı

Zollner, D. (1973). Labour and social security. Government of the Federal Republic of Germany.

Chicago Stili Alıntı

Zollner, Detlev. Labour and Social Security. Bonn: Government of the Federal Republic of Germany, 1973.

MLA Alıntı

Zollner, Detlev. Labour and Social Security. Government of the Federal Republic of Germany, 1973.