APA

Bethell C. D., Read D., Blumberg S. J. & Newacheck P. W. (20080415). What is the prevalence of children with special health care needs? Toward an understanding of variations in findings and methods across three national surveys. : Maternal and child health journal.

Chicago

Bethell Christina D, Read Debra, Blumberg Stephen J and Newacheck Paul W. 20080415. What is the prevalence of children with special health care needs? Toward an understanding of variations in findings and methods across three national surveys. : Maternal and child health journal.

Harvard

Bethell C. D., Read D., Blumberg S. J. and Newacheck P. W. (20080415). What is the prevalence of children with special health care needs? Toward an understanding of variations in findings and methods across three national surveys. : Maternal and child health journal.

MLA

Bethell Christina D, Read Debra, Blumberg Stephen J and Newacheck Paul W. What is the prevalence of children with special health care needs? Toward an understanding of variations in findings and methods across three national surveys. : Maternal and child health journal. 20080415.