Nikolayev , A. (1975). R & D in Social Reproduction (1.). Progress Publishers.
Chicago-čujuhus (17. p.)Nikolayev , A. R & D in Social Reproduction. 1. Moscow: Progress Publishers, 1975.
MLA-čujuhus (9. p.)Nikolayev , A. R & D in Social Reproduction. 1. Progress Publishers, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.