Gaya APA
Dent, David, Young, Anthony. (1987).
Soil survey and land evaluation .
London:
George Allen & Unwin .
Gaya Chicago
Dent, David, Young, Anthony.
Soil survey and land evaluation.
London:
George Allen & Unwin ,
1987.
Text.
Gaya MLA
Dent, David, Young, Anthony.
Soil survey and land evaluation.
London:
George Allen & Unwin ,
1987.
Text.
Gaya Turabian
Dent, David, Young, Anthony.
Soil survey and land evaluation.
London:
George Allen & Unwin ,
1987.
Print.