Cohen, M. R. (1991). Discover science. Scott, Foresman and Comp.
Citación estilo ChicagoCohen, Michael R. Discover Science. Scott, Foresman and Comp, 1991.
Cita MLACohen, Michael R. Discover Science. Scott, Foresman and Comp, 1991.
Warning: These citations may not always be 100% accurate.