APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, & Ruttan, V. W. (1994). Agriculture, environment, and health: Sustainable development in the 21st century. University of Minnesota Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, ба Vernon W. Ruttan. Agriculture, Environment, and Health: Sustainable Development in the 21st Century. Minneapolis: University of Minnesota Press, 1994.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, ба Vernon W. Ruttan. Agriculture, Environment, and Health: Sustainable Development in the 21st Century. University of Minnesota Press, 1994.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.