APA (7 ম সংস্করণ) উদ্ধৃতি

Oelkers, J. Elementary textbooks in the 18th century and their theory of the learning child. Scholarly knowledge : textbooks in early modern Europe.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Oelkers, Jürgen. "Elementary Textbooks in the 18th Century and Their Theory of the Learning Child." Scholarly Knowledge : Textbooks in Early Modern Europe .

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Oelkers, Jürgen. "Elementary Textbooks in the 18th Century and Their Theory of the Learning Child." Scholarly Knowledge : Textbooks in Early Modern Europe, .