Panov, E. The true Shrikes (Laniidae) of the World. Sofia - Moscow: Pensoft, 2011 910 p., ill. 978-954-642-576-8.
Panov, E. The true Shrikes (Laniidae) of the World. Sofia - Moscow: Pensoft, 2011 910 p., ill. 978-954-642-576-8.
Panov, E. (2011) The true Shrikes (Laniidae) of the World, Sofia - Moscow: Pensoft 910 p., ill. 978-954-642-576-8.
Panov, E. (2011). The true Shrikes (Laniidae) of the World. Ecology, Behavior and Evolution. Sofia - Moscow: Pensoft, 910 p., ill.
Panov E. The true Shrikes (Laniidae) of the World: Ecology, Behavior and Evolution. Sofia - Moscow: Pensoft; 2011. p. 910 p., ill. ISBN: 978-954-642-576-8.