Akademi︠i︡a nauk SSSR. Uralʹskiĭ nauchnyĭ ︠t︡sentr & Kogan, L. N. (1982). Prin︠t︡sipy issledovani︠i︡a i planirovani︠i︡a regionalʹnoĭ sistemy kulʹturnogo obsluzhivani︠i︡a naseleni︠i︡a. Akademi︠i︡a nauk SSSR, Uralʹskiĭ nauch. ︠t︡sentr.
Παραπομπή σε μορφή Chicago (17η εκδ.)Akademi︠i︡a nauk SSSR. Uralʹskiĭ nauchnyĭ ︠t︡sentr και Lev Naumovich Kogan. Prin︠t︡sipy Issledovani︠i︡a I Planirovani︠i︡a Regionalʹnoĭ Sistemy Kulʹturnogo Obsluzhivani︠i︡a Naseleni︠i︡a. Sverdlovsk: Akademi︠i︡a nauk SSSR, Uralʹskiĭ nauch. ︠t︡sentr, 1982.
Παραπομπή σε μορφή MLA (8th εκδ.)Akademi︠i︡a nauk SSSR. Uralʹskiĭ nauchnyĭ ︠t︡sentr και Lev Naumovich Kogan. Prin︠t︡sipy Issledovani︠i︡a I Planirovani︠i︡a Regionalʹnoĭ Sistemy Kulʹturnogo Obsluzhivani︠i︡a Naseleni︠i︡a. Akademi︠i︡a nauk SSSR, Uralʹskiĭ nauch. ︠t︡sentr, 1982.