Gaya APA

Whitfield, , L, M. (1985). Ground Movements from Coal Extraction in the Vicinity of Dams and Storages in New South Wales, Australia . : Pentech Press.

Gaya MLA

Whitfield, , L., M.. "Ground Movements from Coal Extraction in the Vicinity of Dams and Storages in New South Wales, Australia". : Pentech Press, 1985. Computer Software.