APA (7 ম সংস্করণ) উদ্ধৃতি

Fretz, J. W. (1962). Immigrant group settlements in Paraguay: A study in the sociology of colonization. Bethel College.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Fretz, J. Winfield. Immigrant Group Settlements in Paraguay: A Study in the Sociology of Colonization. North Newton, Kansas: Bethel College, 1962.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Fretz, J. Winfield. Immigrant Group Settlements in Paraguay: A Study in the Sociology of Colonization. Bethel College, 1962.