Dyfyniad APA

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.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

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.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.