Catchpole, Heather (20 September 2007). "Roaring fortiesArchived 2017-03-08 at the वेबैक मशीन". In Depth. ABC Science. Retrieved 7 April 2011.
oxfordreference.com
Dear, I. C. B.; Kemp, Peter, eds. (2007). "Roaring Forties". The Oxford Companion to Ships and the Sea. Oxford Reference Online, Oxford University Press. ISBN 0-19-860616-8. OCLC 60793921. Retrieved 14 April 2011.
web.archive.org
Catchpole, Heather (20 September 2007). "Roaring fortiesArchived 2017-03-08 at the वेबैक मशीन". In Depth. ABC Science. Retrieved 7 April 2011.