Romaine, R, M, H, N, F, B, R, B, R, L, S.(1992).The Cambridge History of the English Language .:Cambridge University Press.
Gaya MLA
Romaine, Richard, M., Hogg;, Norman, Francis, Blake;, Robert, Burchfield;, Roger, Lass;, Suzanne."The Cambridge History of the English Language".:Cambridge University Press,1992.Text.