Gaya APA
Petaja, J.. (1981).
Experiences of Tapered Friction Piles .
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s.n..
Gaya Chicago
Petaja, J..
Experiences of Tapered Friction Piles.
:
s.n.,
1981.
Computer Software.
Gaya MLA
Petaja, J..
Experiences of Tapered Friction Piles.
:
s.n.,
1981.
Computer Software.
Gaya Turabian
Petaja, J..
Experiences of Tapered Friction Piles.
:
s.n.,
1981.
Computer Software.