Gaya APA

Allen, W, S. (1974). Living english structure:a practice book for foreign students / W.Stannard Allen (Cet.5). London: Longman.

Gaya MLA

Allen, W., Stannard. "Living english structure:a practice book for foreign students / W.Stannard Allen". Cet.5 London: Longman, 1974. Text.