Gaya APA

Swanson, C, P., Owen, R. (1979). People talking aural comprehension and conversational practice for ì advanced student . London: London: Butler & Tanner; 1979.

Gaya MLA

Swanson, Carl, P.., Owen, Roger. "People talking aural comprehension and conversational practice for ì advanced student". London: London: Butler & Tanner; 1979, 1979. Text.