APA-ийн эшлэл(7 дахь хэвлэлт)
Smith, H., & Smith, M. (2008). The art of helping others: Being around, being there, being wise. Jessica Kingsley Publishers.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Smith, Heather, ба Mark Smith. The Art of Helping Others: Being Around, Being There, Being Wise. London ; Philadelphia: Jessica Kingsley Publishers, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Smith, Heather, ба Mark Smith. The Art of Helping Others: Being Around, Being There, Being Wise. Jessica Kingsley Publishers, 2008.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.