Cita APA (7a ed.)

CORNWELL, C. EASY LEARNING WRITING AGE 3 - 5.

Cita Chicago Style (17a ed.)

CORNWELL, CAROL. EASY LEARNING WRITING AGE 3 - 5.

Cita MLA (9a ed.)

CORNWELL, CAROL. EASY LEARNING WRITING AGE 3 - 5.