APA

Drummond J., Billen R., Joao E. & Forrest D. (2007). Dynamic and mobile GIS : investigating changes in space and time. Florida: CRC Press.

Chicago

Drummond Jane, Billen Roland, Joao Elsa and Forrest David. 2007. Dynamic and mobile GIS : investigating changes in space and time. Florida: CRC Press.

Harvard

Drummond J., Billen R., Joao E. and Forrest D. (2007). Dynamic and mobile GIS : investigating changes in space and time. Florida: CRC Press.

MLA

Drummond Jane, Billen Roland, Joao Elsa and Forrest David. Dynamic and mobile GIS : investigating changes in space and time. Florida: CRC Press. 2007.