Gaya APA
Littlejohn, G.S.. (1975).
Soil Anchors .
:
The Institution of Civil Engineers.
Gaya Chicago
Littlejohn, G.S..
Soil Anchors.
:
The Institution of Civil Engineers,
1975.
Text.
Gaya MLA
Littlejohn, G.S..
Soil Anchors.
:
The Institution of Civil Engineers,
1975.
Text.
Gaya Turabian
Littlejohn, G.S..
Soil Anchors.
:
The Institution of Civil Engineers,
1975.
Print.