Cita APA (7th ed.)

Robinson, C., & Marshall, E. (1981). What future for British coaln: Optimism or realism on the prospects to the year 2000. Institute of Economic Affairs.

Cita Chicago (17th ed.)

Robinson, Colin, i Eileen Marshall. What Future for British Coaln: Optimism or Realism on the Prospects to the Year 2000. London: Institute of Economic Affairs, 1981.

Cita MLA (9th ed.)

Robinson, Colin, i Eileen Marshall. What Future for British Coaln: Optimism or Realism on the Prospects to the Year 2000. Institute of Economic Affairs, 1981.