Coal mining

MLA

Hayes, Geoffrey. Coal Mining. Reprint from 2000 Princes Risborough: Shire, 2004.

APA

Hayes, G. (2004). Coal mining. Reprint from 2000 Princes Risborough: Shire.

Chicago

Hayes, Geoffrey, Coal Mining. Reprint from 2000 Princes Risborough: Shire, 2004.