APA
Br�nmark C., Hansson L., . (2005). The biology of lakes and ponds. Oxford: Oxford University Press.
Chicago
Br�nmark Christer, Hansson Lars-Anders, . 2005. The biology of lakes and ponds. Oxford: Oxford University Press.
Harvard
Br�nmark C., Hansson L., . (2005). The biology of lakes and ponds. Oxford: Oxford University Press.
MLA
Br�nmark Christer, Hansson Lars-Anders, . The biology of lakes and ponds. Oxford: Oxford University Press. 2005.