Hulley, S. B. (2013). Designing clinical research (4th ed.). Wolters Kluwer/Lippincott Williams & Wilkins.
Citazione stile Chigago Style (17a edizione)Hulley, Stephen B. Designing Clinical Research. 4th ed. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins, 2013.
Citatione MLA (8a ed.)Hulley, Stephen B. Designing Clinical Research. 4th ed. Wolters Kluwer/Lippincott Williams & Wilkins, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.