APA aipamena

Schwartzman, L., Martin, G. L., Yu, C., & Whiteley, J. (2004). Choice, Degree of Preference, and Happiness Indices with Persons with Intellectual Disabilities: A Surprising Finding.

Chicago Style aipamena

Schwartzman, Lisa, Garry L. Martin, C.T Yu, and John Whiteley. Choice, Degree of Preference, and Happiness Indices With Persons With Intellectual Disabilities: A Surprising Finding. 2004.

MLA aipamena

Schwartzman, Lisa, Garry L. Martin, C.T Yu, and John Whiteley. Choice, Degree of Preference, and Happiness Indices With Persons With Intellectual Disabilities: A Surprising Finding. 2004.