Toews, David P.L.; Irwin, Darren E. (2008). "Cryptic speciation in a Holarctic passerine revealed by genetic and bioacoustic analyses". Molecular Ecology. 17 (11): 2691–2705. doi:10.1111/j.1365-294X.2008.03769.x. PMID18444983. S2CID8488125.
Toews, David P.L.; Irwin, Darren E. (2008). "Cryptic speciation in a Holarctic passerine revealed by genetic and bioacoustic analyses". Molecular Ecology. 17 (11): 2691–2705. doi:10.1111/j.1365-294X.2008.03769.x. PMID18444983. S2CID8488125.
Toews, David P.L.; Irwin, Darren E. (2008). "Cryptic speciation in a Holarctic passerine revealed by genetic and bioacoustic analyses". Molecular Ecology. 17 (11): 2691–2705. doi:10.1111/j.1365-294X.2008.03769.x. PMID18444983. S2CID8488125.