Breag, G., & Harker, A. (1979). The utilization of waste heat produced during the manufacture of coconut shell charcoal for the centralised production of copra. Tropical Products Institute.
Lua i Stíl Chicago (17ú heag.)Breag, G.R, agus A.P Harker. The Utilization of Waste Heat Produced During the Manufacture of Coconut Shell Charcoal for the Centralised Production of Copra. London: Tropical Products Institute, 1979.
Lua MLA (9ú heag.)Breag, G.R, agus A.P Harker. The Utilization of Waste Heat Produced During the Manufacture of Coconut Shell Charcoal for the Centralised Production of Copra. Tropical Products Institute, 1979.
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