APA
Butler D., Building Research Establishment & Hall D. (2000). Ammonia refrigerant in buildings: minimising the hazards. London: CRC Ltd.
Chicago
Butler D.J.G, Building Research Establishment and Hall D.J. 2000. Ammonia refrigerant in buildings: minimising the hazards. London: CRC Ltd.
Harvard
Butler D., Building Research Establishment and Hall D. (2000). Ammonia refrigerant in buildings: minimising the hazards. London: CRC Ltd.
MLA
Butler D.J.G, Building Research Establishment and Hall D.J. Ammonia refrigerant in buildings: minimising the hazards. London: CRC Ltd. 2000.