APA-Zitierstil (7. Ausg.)

Gartrell, D. (2014). A guidance approach for the encouraging classroom (6. ed.). Wadsworth.

Chicago-Zitierstil (17. Ausg.)

Gartrell, Daniel. A Guidance Approach for the Encouraging Classroom. 6. ed. Belmont, Calif: Wadsworth, 2014.

MLA-Zitierstil (9. Ausg.)

Gartrell, Daniel. A Guidance Approach for the Encouraging Classroom. 6. ed. Wadsworth, 2014.