Gaya APA

Ulery, Harry H. Jr.. (1989). Heavy-Load Traffic Tests for Minimum Pipe Cover . : TRB.

Gaya Chicago

Ulery, Harry H. Jr.. Heavy-Load Traffic Tests for Minimum Pipe Cover. : TRB, 1989. Chart.

Gaya MLA

Ulery, Harry H. Jr.. Heavy-Load Traffic Tests for Minimum Pipe Cover. : TRB, 1989. Chart.

Gaya Turabian

Ulery, Harry H. Jr.. Heavy-Load Traffic Tests for Minimum Pipe Cover. : TRB, 1989. Chart.