Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Breag, G.R, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

Breag, G.R, και 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.