1. APTA Guide to physical therapist practice. 2nd ed.;Phys Ther,2001
2. Peabody Developmental Motor Scales. Examiner’s Manual. 2nd ed.;Folio,2000
3. Bayley Scales of Infant Development. 2nd ed.;Bayley,1993
4. Bayley Scales of Infant Development Manual.;Bayley,1969
5. McCarthy Scales of Children’s Abilities.;McCarthy,1972