APA-referens (7:e uppl.)

Krains , O. (1974). World And Ideas Of Ernst Freund: Search For Genral Principles Of Legislation And Administrative Law. Univ Of Albama.

Chicago-referens (17:e uppl.)

Krains , Oscar. World And Ideas Of Ernst Freund: Search For Genral Principles Of Legislation And Administrative Law. USA: Univ Of Albama, 1974.

MLA-referens (9:e uppl.)

Krains , Oscar. World And Ideas Of Ernst Freund: Search For Genral Principles Of Legislation And Administrative Law. Univ Of Albama, 1974.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.