APA (7 ম সংস্করণ) উদ্ধৃতি

Education, N. C. W. C. B. o. (1921). Laws and Regulations Relative to Certification of Teachers. Washington, D.C..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Education, National Catholic Welfare Council.; Bureau of. Laws and Regulations Relative to Certification of Teachers. Washington, D.C., 1921.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Education, National Catholic Welfare Council.; Bureau of. Laws and Regulations Relative to Certification of Teachers. Washington, D.C., 1921.