APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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