Gaya APA

Romanov, D. A.. (1981). Friction Bored Piles of Higher Bearing Capacity . : s.n..

Gaya Chicago

Romanov, D. A.. Friction Bored Piles of Higher Bearing Capacity. : s.n., 1981. Computer Software.

Gaya MLA

Romanov, D. A.. Friction Bored Piles of Higher Bearing Capacity. : s.n., 1981. Computer Software.

Gaya Turabian

Romanov, D. A.. Friction Bored Piles of Higher Bearing Capacity. : s.n., 1981. Computer Software.