Manual of the Eysenck personality inventory. Personality questionnaire. Form A(B.).
Eysenck, H. J.(Hans Jurgen),1916-1997.
Eysenck, Sybil B. G.(Sybil Bianca Giuletta)
London,
[1964]
Joint authors: Hans Jurgen Eysenck and Sybil Bianca Giuletta Eysenck.