Linguaphone Institute Limited. (1997). LINGUAPHONE English course. London: Linguaphone Institute Limited.
Chicago Style CitationLinguaphone Institute Limited. LINGUAPHONE English Course. London: Linguaphone Institute Limited, 1997.
MLA CitationLinguaphone Institute Limited. LINGUAPHONE English Course. London: Linguaphone Institute Limited, 1997.
Warning: These citations may not always be 100% accurate.