Não informado. (2008). Agricultural Economics and Farm Management Occasional Paper. University of Quensland, Department of Agriculture.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Agricultural Economics and Farm Management Occasional Paper. Brisbane, Australia: University of Quensland, Department of Agriculture, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Agricultural Economics and Farm Management Occasional Paper. University of Quensland, Department of Agriculture, 2008.
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