American Academy of Pediatrics. (2008). Pediatrics, Official journal of the American Acaddemy of Pediatrics Nº4. Doyma.
Cita Chicago (17th ed.)American Academy of Pediatrics. Pediatrics, Official Journal of the American Acaddemy of Pediatrics Nº4. Barcelona: Doyma, 2008.
Cita MLA (9th ed.)American Academy of Pediatrics. Pediatrics, Official Journal of the American Acaddemy of Pediatrics Nº4. Doyma, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.