2010 Population and Housing Census of Mongolia. (1986). Календарь школьника 1987. National Statistical Office.
Чикаго маягийн жагсаалт2010 Population and Housing Census of Mongolia. Календарь школьника 1987. М: National Statistical Office, 1986.
MLA ишлэл2010 Population and Housing Census of Mongolia. Календарь школьника 1987. National Statistical Office, 1986.
Warning: These citations may not always be 100% accurate.