Não informado. (2018). Reports and Collected Studies. Institute of Tropical Medicine and Hygiene of Porto Rico.
Chicago-Zitierstil (17. Ausg.)Não informado. Reports and Collected Studies. San Juan: Institute of Tropical Medicine and Hygiene of Porto Rico, 2018.
MLA-Zitierstil (8. Ausg.)Não informado. Reports and Collected Studies. Institute of Tropical Medicine and Hygiene of Porto Rico, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.