Palaniappan,S P. (1995). Agricultural inputs and environment. Scientific Publishers.
Chicago-stil citatPalaniappan,S P. Agricultural Inputs and Environment. Jodhpur: Scientific Publishers, 1995.
MLA-referensPalaniappan,S P. Agricultural Inputs and Environment. Scientific Publishers, 1995.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.