APA Citation

Linguaphone Institute Limited. (1990). LINGUAPHONE intermediate English course. London: Linguaphone Institute Limited.

Chicago Style Citation

Linguaphone Institute Limited. LINGUAPHONE Intermediate English Course. London: Linguaphone Institute Limited, 1990.

MLA Citation

Linguaphone Institute Limited. LINGUAPHONE Intermediate English Course. London: Linguaphone Institute Limited, 1990.

Warning: These citations may not always be 100% accurate.