APA
Planning and Transport research and computation co. ltd, Planning and Transport research and computation co. ltd, . (1973). Detailed road design. London: PTRC co. ltd.
Chicago
Planning and Transport research and computation co. ltd, Planning and Transport research and computation co. ltd, . 1973. Detailed road design. London: PTRC co. ltd.
Harvard
Planning and Transport research and computation co. ltd, Planning and Transport research and computation co. ltd, . (1973). Detailed road design. London: PTRC co. ltd.
MLA
Planning and Transport research and computation co. ltd, Planning and Transport research and computation co. ltd, . Detailed road design. London: PTRC co. ltd. 1973.