APA

Oberer Walter E, Oberer Waltern, . (2002). Cases and materials on labor law : Collective bargaining in a free society. St Paul. Minn: West Publishing Co.

Chicago

Oberer Walter E, Oberer Waltern, . 2002. Cases and materials on labor law : Collective bargaining in a free society. St Paul. Minn: West Publishing Co.

Harvard

Oberer Walter E, Oberer Waltern, . (2002). Cases and materials on labor law : Collective bargaining in a free society. St Paul. Minn: West Publishing Co.

MLA

Oberer Walter E, Oberer Waltern, . Cases and materials on labor law : Collective bargaining in a free society. St Paul. Minn: West Publishing Co. 2002.