Cita APA (7a ed.)

Oosthuizen, S. (1990). Graphology as predictor of academic achievement. [s.n.].

Cita Chicago Style (17a ed.)

Oosthuizen, Stanley. Graphology as Predictor of Academic Achievement. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Oosthuizen, Stanley. Graphology as Predictor of Academic Achievement. [s.n.], 1990.