APA
Clayton A., Williams R. & Spindardi G. (1999). Policies for cleaner technology: A new agenda for government. London: Earthscan.
Chicago
Clayton Anthony, Williams Robin and Spindardi Graham. 1999. Policies for cleaner technology: A new agenda for government. London: Earthscan.
Harvard
Clayton A., Williams R. and Spindardi G. (1999). Policies for cleaner technology: A new agenda for government. London: Earthscan.
MLA
Clayton Anthony, Williams Robin and Spindardi Graham. Policies for cleaner technology: A new agenda for government. London: Earthscan. 1999.