Cunningham, W. P., & Saigo, B. W. (1990). Environmental science: A global concern. W. C. Brown.
Citación estilo ChicagoCunningham, William P., and Barbara Woodworth Saigo. Environmental Science: A Global Concern. Dubuque, IA: W. C. Brown, 1990.
Cita MLACunningham, William P., and Barbara Woodworth Saigo. Environmental Science: A Global Concern. W. C. Brown, 1990.
Warning: These citations may not always be 100% accurate.