CHRISTOPHERSEN, P. (1956). An english phonetics. Longmans; London, Longmans.
Chicagoスタイル(17版)引用形式CHRISTOPHERSEN, Paul. An English Phonetics. Ikeja, Acera: Longmans; London, Longmans, 1956.
MLA(9版)引用形式CHRISTOPHERSEN, Paul. An English Phonetics. Longmans; London, Longmans, 1956.
警告: この引用は必ずしも正確ではありません.