Australia. Dept. of Tourism & Allcock, A. (1994). National ecotourism strategy. Commonwealth Dept. of Tourism.
Citazione stile Chigago Style (17a edizione)Australia. Dept. of Tourism e Alison Allcock. National Ecotourism Strategy. Canberra: Commonwealth Dept. of Tourism, 1994.
Citatione MLA (8a ed.)Australia. Dept. of Tourism e Alison Allcock. National Ecotourism Strategy. Commonwealth Dept. of Tourism, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.