APA (7e ed.) Bronvermelding
Smith, H., & Smith, M. (2008). The art of helping others: Being around, being there, being wise. Jessica Kingsley Publishers.
Chicago (17e ed.) Bronvermelding
Smith, Heather, en Mark Smith. The Art of Helping Others: Being Around, Being There, Being Wise. London ; Philadelphia: Jessica Kingsley Publishers, 2008.
MLA (9e ed.) Bronvermelding
Smith, Heather, en Mark Smith. The Art of Helping Others: Being Around, Being There, Being Wise. Jessica Kingsley Publishers, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.