(1991). A Profile of Conditions and Trends in Rural Illinois. Second Printing John Gruidl and Norman Walzer. [microform].
Cita Chicago (17th ed.)A Profile of Conditions and Trends in Rural Illinois. Second Printing John Gruidl and Norman Walzer. [microform]. 1991.
Cita MLA (9th ed.)A Profile of Conditions and Trends in Rural Illinois. Second Printing John Gruidl and Norman Walzer. [microform]. 1991.
Atenció: Aquestes cites poden no estar 100% correctes.