APA (7e ed.) Bronvermelding
Swindoll, C. R. (1980). Three steps forward two steps back: Perservering pressure. Thomas nelson.
Chicago (17e ed.) Bronvermelding
Swindoll, Charles R. Three Steps Forward Two Steps Back: Perservering Pressure. Nashville: Thomas nelson, 1980.
MLA (9e ed.) Bronvermelding
Swindoll, Charles R. Three Steps Forward Two Steps Back: Perservering Pressure. Thomas nelson, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.