Iqbal, M., Srivastava, . .., & Siddiqi, T. O. (2000). Environmental hazards plants people. CBS.
Chicago Style (17th ed.) ZitazioaIqbal, Muhammad, Srivastava,, eta Tariq Omar Siddiqi. Environmental Hazards Plants People. New Delhi: CBS, 2000.
MLA (9th ed.) ZitazioaIqbal, Muhammad, et al. Environmental Hazards Plants People. CBS, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.