Gaya APA
Impe, W.F. Van. (1989).
Soil Improvement Techniques And Their Evolution .
Netherlands:
A.A.Balkema.
Gaya Chicago
Impe, W.F. Van.
Soil Improvement Techniques And Their Evolution.
Netherlands:
A.A.Balkema,
1989.
Text.
Gaya MLA
Impe, W.F. Van.
Soil Improvement Techniques And Their Evolution.
Netherlands:
A.A.Balkema,
1989.
Text.
Gaya Turabian
Impe, W.F. Van.
Soil Improvement Techniques And Their Evolution.
Netherlands:
A.A.Balkema,
1989.
Print.