Gaya APA

Swanson, C, P. (1967). Stress and intonation part 2 drills and exercises in English pronunciation . London: London: Collier-Macmillan; 1967.

Gaya MLA

Swanson, Carl, P.. "Stress and intonation part 2 drills and exercises in English pronunciation". London: London: Collier-Macmillan; 1967, 1967. Text.