(1980). Strangers and guests: Toward community in the heartland : a Regional Catholic Bishops' statement on land issues : May 1, 1980. Heartland Project.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Strangers and Guests: Toward Community in the Heartland : A Regional Catholic Bishops' Statement on Land Issues : May 1, 1980. Heartland Project, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.