Valenteĭ, D. I. (1980). An outline theory of population. Progress Publishers.
Chicago-čujuhus (17. p.)Valenteĭ, D. I. An Outline Theory of Population. Moscow: Progress Publishers, 1980.
MLA-čujuhus (9. p.)Valenteĭ, D. I. An Outline Theory of Population. Progress Publishers, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.