Gaya APA

Armstrong, R.M.. (1978). Structural properties of timber piles . : ASTM.

Gaya Chicago

Armstrong, R.M.. Structural properties of timber piles. : ASTM, 1978. Computer Software.

Gaya MLA

Armstrong, R.M.. Structural properties of timber piles. : ASTM, 1978. Computer Software.

Gaya Turabian

Armstrong, R.M.. Structural properties of timber piles. : ASTM, 1978. Computer Software.