APA (7e ed.) Bronvermelding

Fletcher , E. (1907). Practical instructions in quantitative assaying with the blowpipe. John Wiley.

Chicago (17e ed.) Bronvermelding

Fletcher , E.L. Practical Instructions in Quantitative Assaying with the Blowpipe. New York: John Wiley, 1907.

MLA (9e ed.) Bronvermelding

Fletcher , E.L. Practical Instructions in Quantitative Assaying with the Blowpipe. John Wiley, 1907.