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Lua i Stíl Chicago (17ú heag.)International Conference on Drag Reduction St. John's College, Cambridge, BHRA (Association), agus N. G. Coles. Proceedings of the International Conference on Drag Reduction, 1974, at St John's College, Cambridge. Bedford: BHRA Fluid Engineering, 1975.
Lua MLA (8ú heag.)International Conference on Drag Reduction St. John's College, Cambridge, et al. Proceedings of the International Conference on Drag Reduction, 1974, at St John's College, Cambridge. BHRA Fluid Engineering, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.