Style de citation APA (7e éd.)

Collier, C. (2017). But what do I do?: Strategies from A to W for multi-tier systems of support. Corwin.

Style de citation Chicago (17e éd.)

Collier, Catherine. But What Do I Do?: Strategies from A to W for Multi-tier Systems of Support. Thousand Oaks, California: Corwin, 2017.

Style de citation MLA (9e éd.)

Collier, Catherine. But What Do I Do?: Strategies from A to W for Multi-tier Systems of Support. Corwin, 2017.