Ижил төстэй зүйлс
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Reference manual for office personnel
-н: House C. R., Sigler K.
Хэвлэсэн: (1981) -
IBM PC user's reference manual
-н: Held G.
Хэвлэсэн: (1984) -
Senate Manual Standing rules orders laws and resolutions affectig senate
-н: Dowlees W.A -
Technical Reference Manual for the Standardization of Geographical Names United Nations Group of Experts on Geographical Names
Хэвлэсэн: (2007) -
Reference and information
-н: Katz B, Tarr A.