Ellwood, E., & Dale, F. (1957). Tests on the development of clean preservative treatments for crossarms (Progress report no.1) Oil treatments. Forest Products Laboratory.
Citación estilo ChicagoEllwood, E.L, and F.A Dale. Tests on the Development of Clean Preservative Treatments for Crossarms (Progress Report No.1) Oil Treatments. Australlia: Forest Products Laboratory, 1957.
Cita MLAEllwood, E.L, and F.A Dale. Tests on the Development of Clean Preservative Treatments for Crossarms (Progress Report No.1) Oil Treatments. Forest Products Laboratory, 1957.
Warning: These citations may not always be 100% accurate.