Boehning, R. M. How much Catholics pay: An analysis of the cost of Catholic education in the state of Washington for 1946. Gonzaga University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Boehning, Russell M. How Much Catholics Pay: An Analysis of the Cost of Catholic Education in the State of Washington for 1946. Spokane, Wash.: Gonzaga University.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Boehning, Russell M. How Much Catholics Pay: An Analysis of the Cost of Catholic Education in the State of Washington for 1946. Gonzaga University.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.