APA (7 ম সংস্করণ) উদ্ধৃতি

Sapp, G. (1941). Happy helpers. Florida curriculum laboratory, College of education, University of Florida and State dept. of education.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sapp, Gertrude. Happy Helpers. Gainesville: Florida curriculum laboratory, College of education, University of Florida and State dept. of education, 1941.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Sapp, Gertrude. Happy Helpers. Florida curriculum laboratory, College of education, University of Florida and State dept. of education, 1941.