The third birth in Europe: a multi-level approach.

MLA

Callens, Marc. The Third Birth In Europe: a Multi-level Approach. Brussel, 1999.

APA

Callens, M. (1999). The third birth in Europe: a multi-level approach. Brussel.

Chicago

Callens, Marc The Third Birth In Europe: a Multi-Level Approach. Brussel, 1999.