APA সাইটেশন

Gartrell, D. (1998). A guidance approach for the encouraging classroom (2nd ed.). Albany, N.Y.: Delmar.

শিকাগো স্টাইলে সাইটেশন

Gartrell, Daniel. A Guidance Approach for the Encouraging Classroom. 2nd ed. Albany, N.Y.: Delmar, 1998.

এমএলএ সাইটেশন

Gartrell, Daniel. A Guidance Approach for the Encouraging Classroom. 2nd ed. Albany, N.Y.: Delmar, 1998.