Heer, D. M. (1975). Society and population (2nd ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationHeer, David M. Society and Population. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1975.
MLA (9th ed.) CitationHeer, David M. Society and Population. 2nd ed. Prentice-Hall, 1975.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.