APA (7e ed.) Bronvermelding

Vincent Peale, N. (2019). The power of positive thinking for young people. Better yourself books.

Chicago (17e ed.) Bronvermelding

Vincent Peale, Norman. The Power of Positive Thinking for Young People. India: Better yourself books, 2019.

MLA (9e ed.) Bronvermelding

Vincent Peale, Norman. The Power of Positive Thinking for Young People. Better yourself books, 2019.