APA সাইটেশন

Macomber, F. G. Principles of teaching in the elementary school.

শিকাগো স্টাইলে সাইটেশন

Macomber, F G. Principles of Teaching in the Elementary School. New Delhi, Emasia Publishing House.

এমএলএ সাইটেশন

Macomber, F G. Principles of Teaching in the Elementary School.