Gaya APA

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

Gaya MLA

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