Reuven Yosef & International Shrike Working Group (2016): Somali Fiscal (Lanius somalicus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (heruntergeladen von http://www.hbw.com/node/60488 am 12. September 2016).
