APA (7 ম সংস্করণ) উদ্ধৃতি

Bernardi, B. (1985). Age class systems: Social institutions and politics based on age. Cambridge University Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Bernardi, Bernardo. Age Class Systems: Social Institutions and Politics Based on Age. Cambridge University Press, 1985.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Bernardi, Bernardo. Age Class Systems: Social Institutions and Politics Based on Age. Cambridge University Press, 1985.