Barton, D. B. (1966). The Cornish beam engine: A survey of its history and development in the mines of Cornwall and Devon from before 1800 to the present day, with something of its use elsewhere in Britain and abroad (New ed.). The Author, Frances St..
Citace podle Chicago (17th ed.)Barton, D. B. The Cornish Beam Engine: A Survey of Its History and Development in the Mines of Cornwall and Devon from Before 1800 to the Present Day, with Something of Its Use Elsewhere in Britain and Abroad. New ed. Truro, Cornwall,: The Author, Frances St., 1966.
Citace podle MLA (8th ed.)Barton, D. B. The Cornish Beam Engine: A Survey of Its History and Development in the Mines of Cornwall and Devon from Before 1800 to the Present Day, with Something of Its Use Elsewhere in Britain and Abroad. New ed. The Author, Frances St., 1966.