Masello, J. F., Pagnossin, M. L., Sommer, C., & Quillfeldt, P. (2006). Population size, provisioning frequency, flock size and foraging range at the largest known colony of Psittaciformes: The Burrowing Parrots of the north-eastern Patagonian coastal cliffs. Web
Citación estilo ChicagoMasello, Juan F., María Luján Pagnossin, Christina Sommer, and Petra Quillfeldt. Population Size, Provisioning Frequency, Flock Size and Foraging Range At the Largest Known Colony of Psittaciformes: The Burrowing Parrots of the North-eastern Patagonian Coastal Cliffs. 2006.
Cita MLAMasello, Juan F., María Luján Pagnossin, Christina Sommer, and Petra Quillfeldt. Population Size, Provisioning Frequency, Flock Size and Foraging Range At the Largest Known Colony of Psittaciformes: The Burrowing Parrots of the North-eastern Patagonian Coastal Cliffs. 2006.