Cita APA

Pollitt, E. (2012). Stability and variability in the acquisition of six motor mile-stones during early infancy. Pontificia Universidad Católica del Perú.

Citación Chicago Style

Pollitt, Ernesto. Stability and Variability in the Acquisition of Six Motor Mile-stones During Early Infancy. Pontificia Universidad Católica del Perú, 2012.

Cita MLA

Pollitt, Ernesto. Stability and Variability in the Acquisition of Six Motor Mile-stones During Early Infancy. Pontificia Universidad Católica del Perú, 2012.