Cita APA (7th ed.)
(1989). Centre for training of skills. University of Limburg.
Cita Chicago (17th ed.)
Centre for Training of Skills. Limburg: University of Limburg, 1989.
Cita MLA (9th ed.)
Centre for Training of Skills. University of Limburg, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.