American Academy of Pediatrics. (2005). Pediatrics Nº1. Doyma S.L.
Cita Chicago (17th ed.)American Academy of Pediatrics. Pediatrics Nº1. Barcelona: Doyma S.L, 2005.
Cita MLA (9th ed.)American Academy of Pediatrics. Pediatrics Nº1. Doyma S.L, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.