NOTAS
- Geldenhuys , D. J. and Kortzé , H. J. 1985 . “P. W. Botha as Decision Maker A Preliminary Study of Personality and Politics” . Politikon , 12 ( 1 )
- Pottinger , B. 1989 . “ The Imperial Precidency: P. W. Botha — The first 10 years ” . Johannesburg : Southern .
- De Villiers , D. and Viliers , J. de . 1984 . P.W. , Kaapstad : Tafelberg .
- Meiring , P. 1985 . Waagmoed beloon , Johannesburg : Perskor .