Richter N. A., Bourne G. R., Diebold E. N. Gender determination by body weight and linear measurements in American and Chilean Flamingos, previously surgically sexed: within-sex comparison to Greater Flamingo measurements // Zoo Biology[англ.]. — 1991. — Vol. 10, № 5. — P. 425—431. — doi:10.1002/zoo.1430100506.
Richter N. A., Bourne G. R., Diebold E. N. Gender determination by body weight and linear measurements in American and Chilean Flamingos, previously surgically sexed: within-sex comparison to Greater Flamingo measurements // Zoo Biology[англ.]. — 1991. — Vol. 10, № 5. — P. 425—431. — doi:10.1002/zoo.1430100506.