Spaey, J., Defay, J., Ladrière, J., Stenmans, A., & Wautrequin, J. (1971). Science for development: An essay on the origin and organization of national science policies. Unesco.
Citazione stile Chigago Style (17a edizione)Spaey, Jacques, Jacques Defay, Jean Ladrière, Alain Stenmans, e Jacques Wautrequin. Science for Development: An Essay on the Origin and Organization of National Science Policies. Paris: Unesco, 1971.
Citatione MLA (9a ed.)Spaey, Jacques, et al. Science for Development: An Essay on the Origin and Organization of National Science Policies. Unesco, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.