Johnson, V. E. (1986). Intervention: How to help someone who doesn't want help: a step-bystep guide for families and friends of chemically dependent persons. Johnson Institute Books.
Lua i Stíl Chicago (17ú heag.)Johnson, Vernon E. Intervention: How to Help Someone Who Doesn't Want Help: A Step-bystep Guide for Families and Friends of Chemically Dependent Persons. Johnson Institute Books, 1986.
Lua MLA (9ú heag.)Johnson, Vernon E. Intervention: How to Help Someone Who Doesn't Want Help: A Step-bystep Guide for Families and Friends of Chemically Dependent Persons. Johnson Institute Books, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.