APA-referens (7:e uppl.)

(1980). Strangers and guests: Toward community in the heartland : a Regional Catholic Bishops' statement on land issues : May 1, 1980. Heartland Project.

Chicago-referens (17:e uppl.)

Strangers and Guests: Toward Community in the Heartland : A Regional Catholic Bishops' Statement on Land Issues : May 1, 1980. Sioux Falls, S.D.: Heartland Project, 1980.

MLA-referens (8:e uppl.)

Strangers and Guests: Toward Community in the Heartland : A Regional Catholic Bishops' Statement on Land Issues : May 1, 1980. Heartland Project, 1980.