(1974). The Layout of Roades in Entrol Areas: Metric suppliment. HMSO.
Chicago Edition CitationThe Layout of Roades in Entrol Areas: Metric Suppliment. London: HMSO, 1974.
Cita MLAThe Layout of Roades in Entrol Areas: Metric Suppliment. HMSO, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.