Não informado. (2001). Service publication. University of Sydney, School of Public Health and Tropical Medicina.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Service Publication. Sydney, Australia: University of Sydney, School of Public Health and Tropical Medicina, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Service Publication. University of Sydney, School of Public Health and Tropical Medicina, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.