Bunce M., Worthy T. H., Phillips M. J., Holdaway R. N., Willerslev E., Haile J., Shapiro B., Scofield R. P., Drummond A., Kamp P. J. J., Cooper A. The evolutionary history of the extinct ratite moa and New Zealand Neogene paleogeography // Proceedings of the National Academy of Sciences. — 2009. — Vol. 106. — P. 20646—20651. — ISSN0027-8424. — doi:10.1073/pnas.0906660106.
Bunce M., Worthy T. H., Phillips M. J., Holdaway R. N., Willerslev E., Haile J., Shapiro B., Scofield R. P., Drummond A., Kamp P. J. J., Cooper A. The evolutionary history of the extinct ratite moa and New Zealand Neogene paleogeography // Proceedings of the National Academy of Sciences. — 2009. — Vol. 106. — P. 20646—20651. — ISSN0027-8424. — doi:10.1073/pnas.0906660106.