APA (7e ed.) Bronvermelding

Losoncy, L. E. (1980). You can do It¡ how to encourage yourself. Prentice Hall.

Chicago (17e ed.) Bronvermelding

Losoncy, Lewis E. You Can Do It¡ How to Encourage Yourself. Prentice Hall, 1980.

MLA (9e ed.) Bronvermelding

Losoncy, Lewis E. You Can Do It¡ How to Encourage Yourself. Prentice Hall, 1980.