Gaya APA

Sellgren, E.. (1981). The Pressuremeter and Pile Foundations . : s.n..

Gaya Chicago

Sellgren, E.. The Pressuremeter and Pile Foundations. : s.n., 1981. Computer Software.

Gaya MLA

Sellgren, E.. The Pressuremeter and Pile Foundations. : s.n., 1981. Computer Software.

Gaya Turabian

Sellgren, E.. The Pressuremeter and Pile Foundations. : s.n., 1981. Computer Software.