Reutfors, J., Kramárová, E., Weiderpass, E., Monge, P., Wesseling, C., & Ahlbom, A. (2002). Central nervous system tumours in children in Costa Rica: 1981–96.
Παραπομπή Chicago StyleReutfors, Johan, Eva Kramárová, Elisabete Weiderpass, Patricia Monge, Catharina Wesseling, και Anders Ahlbom. Central Nervous System Tumours in Children in Costa Rica: 1981–96. 2002.
Παραπομπή MLAReutfors, Johan, et al. Central Nervous System Tumours in Children in Costa Rica: 1981–96. 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.