Vincent Peale, N. (2019). The power of positive thinking for young people. Better yourself books.
Citazione stile Chigago Style (17a edizione)Vincent Peale, Norman. The Power of Positive Thinking for Young People. India: Better yourself books, 2019.
Citatione MLA (9a ed.)Vincent Peale, Norman. The Power of Positive Thinking for Young People. Better yourself books, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.