Hopkins, C. C. (2020). Scientific Advertising. Sanage Publishing House.
Citazione stile Chigago Style (17a edizione)Hopkins, Claude C. Scientific Advertising. India: Sanage Publishing House, 2020.
Citatione MLA (9a ed.)Hopkins, Claude C. Scientific Advertising. Sanage Publishing House, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.