Ekvall, G. (1969). The construct validity of mechanical aptitude tests. Swedish Council for Personnel Administration.
Chicago Style (17th ed.) CitationEkvall, Göran. The Construct Validity of Mechanical Aptitude Tests. Stockholm: Swedish Council for Personnel Administration, 1969.
MLA (9th ed.) CitationEkvall, Göran. The Construct Validity of Mechanical Aptitude Tests. Swedish Council for Personnel Administration, 1969.
Warning: These citations may not always be 100% accurate.