Gaya APA
Rai, Mangat. (2008).
Soil science .
:
IG Library.
Gaya Chicago
Rai, Mangat.
Soil science.
:
IG Library,
2008.
Electronic Resources.
Gaya MLA
Rai, Mangat.
Soil science.
:
IG Library,
2008.
Electronic Resources.
Gaya Turabian
Rai, Mangat.
Soil science.
:
IG Library,
2008.
Electronic Resources.