| 其他書名 | II. Methods for Validating a Questionnaire Concerning White-negro Relationships by Means of Voluntary Statements |
| 出版 | Cioollege of Science, Literature, and the Arts, University of Minnesota, 1963 |
| URL | http://books.google.com.hk/books?id=7imdHAAACAAJ&hl=&source=gbs_api |