APA Баримт

United Nations Economic Commission for Europe. (2002). Best Practice in Business Services. UN ECE.

Чикаго маягийн жагсаалт

United Nations Economic Commission for Europe. Best Practice in Business Services. Geneva: UN ECE, 2002.

MLA ишлэл

United Nations Economic Commission for Europe. Best Practice in Business Services. UN ECE, 2002.

Warning: These citations may not always be 100% accurate.