(1987). Biological markers in environmental health research. Committee on Biological Markers of the National Research Council.
Chicago Style aipamenaBiological Markers in Environmental Health Research. Committee On Biological Markers of the National Research Council. 1987.
MLA aipamenaBiological Markers in Environmental Health Research. Committee On Biological Markers of the National Research Council. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.