Castillo, G. T. Man with many faces: The researcher in a program of planned change. s.n.
Citazione stile Chigago Style (17a edizione)Castillo, Gelia Tagumpay. Man with Many Faces: The Researcher in a Program of Planned Change. [S.l: s.n.
Citatione MLA (9a ed.)Castillo, Gelia Tagumpay. Man with Many Faces: The Researcher in a Program of Planned Change. s.n.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.