Heer, D. M., & Grigsby, J. S. (1994). Society and population. Prentice hall of Indiaprivate limited.
Chicago Edition CitationHeer, David M., and Jill S. Grigsby. Society and Population. New Delhi: Prentice hall of Indiaprivate limited, 1994.
ציטוט MLAHeer, David M., and Jill S. Grigsby. Society and Population. Prentice hall of Indiaprivate limited, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.