Grigorʹev, G. P. (1968). Nachalo verkhnego paleolita i proiskhozhdenie Homo sapiens. Izd-vo "Nauka," Leningradskoe otd-nie.
Lua i Stíl Chicago (17ú heag.)Grigorʹev, G. P. Nachalo Verkhnego Paleolita I Proiskhozhdenie Homo Sapiens. Leningrad: Izd-vo "Nauka," Leningradskoe otd-nie, 1968.
Lua MLA (8ú heag.)Grigorʹev, G. P. Nachalo Verkhnego Paleolita I Proiskhozhdenie Homo Sapiens. Izd-vo "Nauka," Leningradskoe otd-nie, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.