Gaya APA
US, Department of the Navy. (1978).
Unified soil classification system .
:
TRB.
Gaya Chicago
US, Department of the Navy.
Unified soil classification system.
:
TRB,
1978.
Computer Software.
Gaya MLA
US, Department of the Navy.
Unified soil classification system.
:
TRB,
1978.
Computer Software.
Gaya Turabian
US, Department of the Navy.
Unified soil classification system.
:
TRB,
1978.
Computer Software.