Cook, J. (1998). General surgery at the district hospital. World Health Organization.
Citazione stile Chigago Style (17a edizione)Cook, John. General Surgery at the District Hospital. Ginebra: World Health Organization, 1998.
Citatione MLA (9a ed.)Cook, John. General Surgery at the District Hospital. World Health Organization, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.