Norton, S. B., Cormier, S. M., & Suter, G. W. I. (2015). Ecological causal assessment. CRC Press.
Chicago Style aipamenaNorton, Susan B., Susan M. Cormier, and Glenn W. II Suter. Ecological Causal Assessment. Boca Raton: CRC Press, 2015.
MLA aipamenaNorton, Susan B., et al. Ecological Causal Assessment. CRC Press, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.