Cita APA (7a ed.)
Humboldt, W., Buch, G. C., & Raven, F. A. Linguistic variability: Intellectual development.
Cita Chicago Style (17a ed.)
Humboldt, Wilhelm, George C. Buch, y Frithjof A. Raven. Linguistic Variability: Intellectual Development.
Cita MLA (9a ed.)
Humboldt, Wilhelm, et al. Linguistic Variability: Intellectual Development.
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