Gamberale-Stille, G., & Guilford, T. (2003). Contrast versus colour in aposematic signals.
Cita Chicago (17th ed.)Gamberale-Stille, G., i T. Guilford. Contrast Versus Colour in Aposematic Signals. 2003.
Cita MLA (9th ed.)Gamberale-Stille, G., i T. Guilford. Contrast Versus Colour in Aposematic Signals. 2003.
Atenció: Aquestes cites poden no estar 100% correctes.