APA

Steele B. W., Witte D. L., Whitley R. J., Klee G. G. & Chan D. W. (19980204). The effects of modifying proficiency testing materials on thyroid function test results. A College of American Pathologists Ligand Assay Survey Study. : Archives of pathology & laboratory medicine.

Chicago

Steele B W, Witte D L, Whitley R J, Klee G G and Chan D W. 19980204. The effects of modifying proficiency testing materials on thyroid function test results. A College of American Pathologists Ligand Assay Survey Study. : Archives of pathology & laboratory medicine.

Harvard

Steele B. W., Witte D. L., Whitley R. J., Klee G. G. and Chan D. W. (19980204). The effects of modifying proficiency testing materials on thyroid function test results. A College of American Pathologists Ligand Assay Survey Study. : Archives of pathology & laboratory medicine.

MLA

Steele B W, Witte D L, Whitley R J, Klee G G and Chan D W. The effects of modifying proficiency testing materials on thyroid function test results. A College of American Pathologists Ligand Assay Survey Study. : Archives of pathology & laboratory medicine. 19980204.