APA-ийн эшлэл(7 дахь хэвлэлт)
OECD Policies and Environment Division in the Food, Agriculture and Fisheries Directorate. (2001). Environmental indicators for agriculture. OECD Publications Services.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
OECD Policies and Environment Division in the Food, Agriculture and Fisheries Directorate. Environmental Indicators for Agriculture. Paris, France: OECD Publications Services, 2001.
MLA -ийн эшлэл (9 дэх хэвлэлт)
OECD Policies and Environment Division in the Food, Agriculture and Fisheries Directorate. Environmental Indicators for Agriculture. OECD Publications Services, 2001.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.