Brophy, J. E., Alleman, J., & Halvorsen, A. L. (2013). Powerful social studies for elementary students (Third edition.). Wadsworth Cengage Learning.
Citazione stile Chigago Style (17a edizione)Brophy, Jere E., Janet Alleman, e Anne Lise Halvorsen. Powerful Social Studies for Elementary Students. Third edition. Belmont, California: Wadsworth Cengage Learning, 2013.
Citatione MLA (9a ed.)Brophy, Jere E., et al. Powerful Social Studies for Elementary Students. Third edition. Wadsworth Cengage Learning, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.