O;Connor, J. (1967). Better English Pronunciation. English Language Book Society.
Chicago Edition CitationO;Connor, J.D. Better English Pronunciation. Cambridge: English Language Book Society, 1967.
MLA Edition CitationO;Connor, J.D. Better English Pronunciation. English Language Book Society, 1967.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.