Hailman, J. P. (1977). Optical Signals: Animal Communication and Light. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Hailman, Jack Parker. Optical Signals: Animal Communication and Light. Bloomington: Indiana University Press, 1977.
Lua MLA (9ú heag.)Hailman, Jack Parker. Optical Signals: Animal Communication and Light. Indiana University Press, 1977.
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