Harrison, E. Today Is the Day You Change Your Life (1.). Pearson Education UK.
Citazione stile Chigago Style (17a edizione)Harrison, Elaine;Harrison. Today Is the Day You Change Your Life. 1. Pearson Education UK.
Citatione MLA (8a ed.)Harrison, Elaine;Harrison. Today Is the Day You Change Your Life. 1. Pearson Education UK.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.