Hansen, S., & Mercker, H. (1989). Philippine Assistance for Rural and Urban Development: Profile of an NGO in the context of the Philippine development situation. [s.n.].
Chicago-viite (17. p.)Hansen, Sven, ja Hinrich Mercker. Philippine Assistance for Rural and Urban Development: Profile of an NGO in the Context of the Philippine Development Situation. Berlin/Gottinger: [s.n.], 1989.
MLA-viite (9. p.)Hansen, Sven, ja Hinrich Mercker. Philippine Assistance for Rural and Urban Development: Profile of an NGO in the Context of the Philippine Development Situation. [s.n.], 1989.
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