Paddon, A. (1979). The production of charcoal in a portable metal kiln. Tropical Products Institute.
Citazione stile Chigago Style (17a edizione)Paddon, A.R. The Production of Charcoal in a Portable Metal Kiln. London: Tropical Products Institute, 1979.
Citatione MLA (9a ed.)Paddon, A.R. The Production of Charcoal in a Portable Metal Kiln. Tropical Products Institute, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.