Vega Romero, R. (2002). The relevance of ulrich's critical systems heuristic for social planning evaluation. Facultad de Ciencias Económicas y Administrativas.
Citazione stile Chigago Style (17a edizione)Vega Romero, Román. The Relevance of Ulrich's Critical Systems Heuristic for Social Planning Evaluation. Bogotá (Colombia): Facultad de Ciencias Económicas y Administrativas, 2002.
Citatione MLA (9a ed.)Vega Romero, Román. The Relevance of Ulrich's Critical Systems Heuristic for Social Planning Evaluation. Facultad de Ciencias Económicas y Administrativas, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.