New South Wales. Dept. of Lands. Integration Surveys Division. (1976). Specifications for third order levelling. Department of Lands.
Citazione stile Chigago Style (17a edizione)New South Wales. Dept. of Lands. Integration Surveys Division. Specifications for Third Order Levelling. Sydney: Department of Lands, 1976.
Citatione MLA (8a ed.)New South Wales. Dept. of Lands. Integration Surveys Division. Specifications for Third Order Levelling. Department of Lands, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.