.Landsberg, H. H. (1964). Natural resources for U.S. growth: A look ahead to the year 2000. Published for Resources for the Future by Johns Hopkins Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт).Landsberg, Hans H. Natural Resources for U.S. Growth: A Look Ahead to the Year 2000. Baltimore: Published for Resources for the Future by Johns Hopkins Press, 1964.
MLA -ийн эшлэл (9 дэх хэвлэлт).Landsberg, Hans H. Natural Resources for U.S. Growth: A Look Ahead to the Year 2000. Published for Resources for the Future by Johns Hopkins Press, 1964.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.