Horne, M. D. (1980). How attitudes are measured: A review of investigations of professional, peer, and parent attitudes toward the handicapped. Educational Testing Service Princeton.

Horne, Marcia D. How Attitudes Are Measured: A Review of Investigations of Professional, Peer, and Parent Attitudes Toward the Handicapped. New Jersey, Estados Unidos: Educational Testing Service Princeton, 1980.

Horne, Marcia D. How Attitudes Are Measured: A Review of Investigations of Professional, Peer, and Parent Attitudes Toward the Handicapped. Educational Testing Service Princeton, 1980.