United nations. (1999). Greenhouse gas emissions trading: Defining the principles, modalities, rules and guidelines for verification, reporting and accountability. United nations.
Чикаго маягийн жагсаалтUnited nations. Greenhouse Gas Emissions Trading: Defining the Principles, Modalities, Rules and Guidelines for Verification, Reporting and Accountability. Geneva: United nations, 1999.
MLA ишлэлUnited nations. Greenhouse Gas Emissions Trading: Defining the Principles, Modalities, Rules and Guidelines for Verification, Reporting and Accountability. United nations, 1999.
Warning: These citations may not always be 100% accurate.