Sullivan, P., & McIntyre, E. (2005). Gastrointestinal problems in disabled children.
Cita Chicago (17th ed.)Sullivan, P., i E. McIntyre. Gastrointestinal Problems in Disabled Children. 2005.
Cita MLA (9th ed.)Sullivan, P., i E. McIntyre. Gastrointestinal Problems in Disabled Children. 2005.
Atenció: Aquestes cites poden no estar 100% correctes.