Gaya APA
M, G, D. (1971).
Physical Properties Of Soils As Affrected By Synthetic Soil Conditioners .
Ames Iowa:
Iowa State University.
Gaya MLA
M, Gabriels, Donald.
"Physical Properties Of Soils As Affrected By Synthetic Soil Conditioners".
Ames Iowa:
Iowa State University,
1971.
Text.