Gaya APA
Henkel, D. J.. (1981).
Tunelling in Soils (Session 2) .
:
s.n..
Gaya Chicago
Henkel, D. J..
Tunelling in Soils (Session 2).
:
s.n.,
1981.
Text.
Gaya MLA
Henkel, D. J..
Tunelling in Soils (Session 2).
:
s.n.,
1981.
Text.
Gaya Turabian
Henkel, D. J..
Tunelling in Soils (Session 2).
:
s.n.,
1981.
Print.