Filho, A. P. M. (1999). Research on human subjects: International experience. WHO.
Cita Chicago Style (17a ed.)Filho, Alberto Pellegrini Macklin. Research on Human Subjects: International Experience. Washington: WHO, 1999.
Cita MLA (8a ed.)Filho, Alberto Pellegrini Macklin. Research on Human Subjects: International Experience. WHO, 1999.
Precaución: Estas citas no son 100% exactas.