Staubach, S. (2013). Clay: The history and evolution of humankind's relationship with earth's most primal element (First University Press of New England edition.). University Press of New England.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Staubach, Suzanne. Clay: The History and Evolution of Humankind's Relationship with Earth's Most Primal Element. First University Press of New England edition. Hanover [New Hampshire]: University Press of New England, 2013.
MLA -ийн эшлэл (9 дэх хэвлэлт)Staubach, Suzanne. Clay: The History and Evolution of Humankind's Relationship with Earth's Most Primal Element. First University Press of New England edition. University Press of New England, 2013.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.