Zelenitsky, D. K.; Therrien, F.; Erickson, G. M.; Debuhr, C. L.; Kobayashi, Y.; Eberth, D. A.; Hadfield, F. (2012). “Feathered Non-Avian Dinosaurs from North America Provide Insight into Wing Origins”. Science338 (6106): 510–514. Bibcode: 2012Sci...338..510Z. doi:10.1126/science.1225376. PMID23112330.
Zelenitsky, D. K.; Therrien, F.; Erickson, G. M.; Debuhr, C. L.; Kobayashi, Y.; Eberth, D. A.; Hadfield, F. (2012). “Feathered Non-Avian Dinosaurs from North America Provide Insight into Wing Origins”. Science338 (6106): 510–514. Bibcode: 2012Sci...338..510Z. doi:10.1126/science.1225376. PMID23112330.
Zelenitsky, D. K.; Therrien, F.; Erickson, G. M.; Debuhr, C. L.; Kobayashi, Y.; Eberth, D. A.; Hadfield, F. (2012). “Feathered Non-Avian Dinosaurs from North America Provide Insight into Wing Origins”. Science338 (6106): 510–514. Bibcode: 2012Sci...338..510Z. doi:10.1126/science.1225376. PMID23112330.