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.].
Citazione stile Chigago Style (17a edizione)Hansen, Sven, e 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.
Citatione MLA (9a ed.)Hansen, Sven, e Hinrich Mercker. Philippine Assistance for Rural and Urban Development: Profile of an NGO in the Context of the Philippine Development Situation. [s.n.], 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.