Jackson, R. R. (2009). Never work harder than your students & other principles of great teaching. Association for Supervision and Curriculum Development.
Chicago-viite (17. p.)Jackson, Robyn Renee. Never Work Harder than Your Students & Other Principles of Great Teaching. Alexandria, VA: Association for Supervision and Curriculum Development, 2009.
MLA-viite (9. p.)Jackson, Robyn Renee. Never Work Harder than Your Students & Other Principles of Great Teaching. Association for Supervision and Curriculum Development, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.