Fletcher , E. (1907). Practical instructions in quantitative assaying with the blowpipe. John Wiley.
Citazione stile Chigago Style (17a edizione)Fletcher , E.L. Practical Instructions in Quantitative Assaying with the Blowpipe. New York: John Wiley, 1907.
Citatione MLA (9a ed.)Fletcher , E.L. Practical Instructions in Quantitative Assaying with the Blowpipe. John Wiley, 1907.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.