Gaya APA

Black, W.. (1968). High strength friction grip bolts slip factors of protected paving surfaces . : TRRL.

Gaya Chicago

Black, W.. High strength friction grip bolts slip factors of protected paving surfaces. : TRRL, 1968. Chart.

Gaya MLA

Black, W.. High strength friction grip bolts slip factors of protected paving surfaces. : TRRL, 1968. Chart.

Gaya Turabian

Black, W.. High strength friction grip bolts slip factors of protected paving surfaces. : TRRL, 1968. Chart.