Gaya APA

Richards, J, C. (1974). ERROR ANALYSIS : Perspectives On Second Language Acquistion / Jack C. Richards (Cet.1). London: Kanisius-Longman.

Gaya MLA

Richards, Jack, C.. "ERROR ANALYSIS : Perspectives On Second Language Acquistion / Jack C. Richards". Cet.1 London: Kanisius-Longman, 1974. Text.