Didactic Systems. (1977). Management in the fire service. National Fire Protection.
Citazione stile Chigago Style (17a edizione)Didactic Systems. Management in the Fire Service. National Fire Protection, 1977.
Citatione MLA (9a ed.)Didactic Systems. Management in the Fire Service. National Fire Protection, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.