Gaya APA
Hanks, R, J., Ashcroft, G, L. (1980).
Applied Soil Physics: Soil water and temperature applications .
Berlin:
Springer Verlag.
Gaya MLA
Hanks, R., J.., Ashcroft, G., L..
"Applied Soil Physics: Soil water and temperature applications".
Berlin:
Springer Verlag,
1980.
Text.