Cita APA

Raistric, A. (1939). Nature and origin of coal and coal seams. The English University press.

Chicago Edition Citation

Raistric, A. Nature and Origin of Coal and Coal Seams. LOndon: The English University press, 1939.

Cita MLA

Raistric, A. Nature and Origin of Coal and Coal Seams. The English University press, 1939.