Gaya APA

Swanson, C, P., Gimson,A.C., . (1977). A Practical course of english pronunciation a perceptual approach . London: London: Edward Arnold; 1977.

Gaya MLA

Swanson, Carl, P.., Gimson,A.C., . "A Practical course of english pronunciation a perceptual approach". London: London: Edward Arnold; 1977, 1977. Text.