NSW Agriculture, Daniells, I., & Larsen, D. (1991). Soilpak: A soil management package for cotton production on crackling clays - getting soil science into the field, better soil better farms, giving you the options (2nd ed.). NSW Agriculture.
Παραπομπή σε μορφή Chicago (17η εκδ.)NSW Agriculture, Ian Daniells, και David Larsen. Soilpak: A Soil Management Package for Cotton Production on Crackling Clays - Getting Soil Science into the Field, Better Soil Better Farms, Giving You the Options. 2nd ed. [Sydney]: NSW Agriculture, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)NSW Agriculture, et al. Soilpak: A Soil Management Package for Cotton Production on Crackling Clays - Getting Soil Science into the Field, Better Soil Better Farms, Giving You the Options. 2nd ed. NSW Agriculture, 1991.