APA (7e ed.) Bronvermelding
McGinnis, A. L. (1979). The friendship factor: How to get closer to the people you care for. Augsburg Pub. House.
Chicago (17e ed.) Bronvermelding
McGinnis, Alan Loy. The Friendship Factor: How to Get Closer to the People You Care for. Minneapolis: Augsburg Pub. House, 1979.
MLA (9e ed.) Bronvermelding
McGinnis, Alan Loy. The Friendship Factor: How to Get Closer to the People You Care for. Augsburg Pub. House, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.