References
- Materialy XXVI s'ezd KPSS, Moscow,"Politizdat" Publishers, 1981, p. 38.
- Narodonaselenie stran mira, Moscow, "Statistika" Publishers, 1978, p. 187.
- Vestnik statistiki, 1981, No. 11, p. 71.
- A. I. Kvasha, Problemy ekonomiko-demograficheskogo razvitiia SSSR, Moscow, "Statistika" Publishers, 1974.
- B. Urlakis, "Sem'ia i problemy demografii," Molodaia sem'ia, Moscow, "Statistika" Publishers, 1977, p. 7.
- Narodnoe khoziaistvo SSSR v 1980 godu, Moscow, "Statistika" Publishers, 1981, p. 31.
- L. Gordon and E. Gruzdeva, "Byt molodoi sem'i," Molodaia sem'ia, Moscow, "Statistika" Publishers, 1977, p. 37.
- V. I. Perevedentsev, "Dvoe v semeinoi lodke," Demografy dumaiut, sporiat, sovetuiut, Moscow, "Finansy i statistika" Publishers, 1981.
- Naselenie SSSR. 1973. Statisticheskii sbornik, Moscow, "Statistika" Publishers, 1975, p. 150.