APA (7 ম সংস্করণ) উদ্ধৃতি

Nilsen, D. N., Siemens, R. E., & Rhoads, S. C. (1979). Solvent extraction of cobalt from laterite-ammoniacal leach liquors. U.S. Dept. of the Interior, Bureau of Mines.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Nilsen, D. N., R. E. Siemens, এবং S. C. Rhoads. Solvent Extraction of Cobalt from Laterite-ammoniacal Leach Liquors. Washington: U.S. Dept. of the Interior, Bureau of Mines, 1979.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Nilsen, D. N., et al. Solvent Extraction of Cobalt from Laterite-ammoniacal Leach Liquors. U.S. Dept. of the Interior, Bureau of Mines, 1979.