Gaya APA
The Nature and Properties of Soils. (1969).
:
.
Gaya Chicago
The Nature and Properties of Soils.
9.
:
,
1969.
Text.
Gaya MLA
The Nature and Properties of Soils.
9.
:
,
1969.
Text.
Gaya Turabian
The Nature and Properties of Soils.
:
,
1969.
Print.