(1997). Human health and environment- Vol-I. A.P.H Publishing corporation.
Chicago Style aipamenaHuman Health and Environment- Vol-I. New Delhi: A.P.H Publishing corporation, 1997.
MLA aipamenaHuman Health and Environment- Vol-I. A.P.H Publishing corporation, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.