Não informado. (2007). Report of the director. University of Puerto Rico, School of Tropical Medicine.
Style de citation Chicago (17e éd.)Não informado. Report of the Director. San Juan: University of Puerto Rico, School of Tropical Medicine, 2007.
Style de citation MLA (8e éd.)Não informado. Report of the Director. University of Puerto Rico, School of Tropical Medicine, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.