APA (7e ed.) Bronvermelding

Não informado. (2007). Report of the director. University of Puerto Rico, School of Tropical Medicine.

Chicago (17e ed.) Bronvermelding

Não informado. Report of the Director. San Juan: University of Puerto Rico, School of Tropical Medicine, 2007.

MLA (8e ed.) Bronvermelding

Não informado. Report of the Director. University of Puerto Rico, School of Tropical Medicine, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.