Gaya APA

Zimmerman, John R.. (1971). An Amplitude-Frequency Description of Road Roughness . : s.n..

Gaya Chicago

Zimmerman, John R.. An Amplitude-Frequency Description of Road Roughness. : s.n., 1971. Chart.

Gaya MLA

Zimmerman, John R.. An Amplitude-Frequency Description of Road Roughness. : s.n., 1971. Chart.

Gaya Turabian

Zimmerman, John R.. An Amplitude-Frequency Description of Road Roughness. : s.n., 1971. Chart.