APA Style
Gruyter, J.J. de. (1977).
Numerical classification of soils and its application in survey .
Wageningen:
Pudoc.
Chicago Style
Gruyter, J.J. de.
Numerical classification of soils and its application in survey.
Wageningen:
Pudoc,
1977.
Hard Copy.
MLA Style
Gruyter, J.J. de.
Numerical classification of soils and its application in survey.
Wageningen:
Pudoc,
1977.
Hard Copy.
Turabian Style
Gruyter, J.J. de.
Numerical classification of soils and its application in survey.
Wageningen:
Pudoc,
1977.
Hard Copy.