Weisburger, E. K. (1994). Don't Ban Chlorine—Use It Wisely.
Chicago Style aipamenaWeisburger, Elizabeth K. Don't Ban Chlorine—Use It Wisely. 1994.
MLA aipamenaWeisburger, Elizabeth K. Don't Ban Chlorine—Use It Wisely. 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.