Sheel S.K. (2015). Textbook of Basic Mathematics: For Forestry, Horticulture and Agriculture Courses. Daya Publishing House.
Chicago-čujuhus (17. p.)Sheel S.K. Textbook of Basic Mathematics: For Forestry, Horticulture and Agriculture Courses. New Delhi: Daya Publishing House, 2015.
MLA-čujuhus (9. p.)Sheel S.K. Textbook of Basic Mathematics: For Forestry, Horticulture and Agriculture Courses. Daya Publishing House, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.