Miller, D. F. (2016). Positive child guidance (8th edition.). Cengage Learning.
Citazione stile Chigago Style (17a edizione)Miller, Darla Ferris. Positive Child Guidance. 8th edition. Boston, Massachusetts: Cengage Learning, 2016.
Citatione MLA (9a ed.)Miller, Darla Ferris. Positive Child Guidance. 8th edition. Cengage Learning, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.