(1949). Investigation of Suffern graphite deposits, Rockland County, N.Y. / by W.T. Millar and Robert S. Sanford.
Citazione stile Chigago Style (17a edizione)Investigation of Suffern Graphite Deposits, Rockland County, N.Y. / by W.T. Millar and Robert S. Sanford. 1949.
Citatione MLA (9a ed.)Investigation of Suffern Graphite Deposits, Rockland County, N.Y. / by W.T. Millar and Robert S. Sanford. 1949.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.