The Development of the Motivational Style Profile for Children (MSP-C)
Current Psychology (2010) - Comment
doi: 10.1007/s12144-010-9073-y  issn: 1046-1310  issn: 1936-4733 

Cindy H. P. Sit, Koenraad J. Lindner, Michael J. Apter, Grégory Michel, Richard Mallows