APA

Richards (Jack C); Hull (Jonathan); Proctor (Susan), . (2007). New Interchange: English for International Communication: Work Book 1. : .

Chicago

Richards (Jack C); Hull (Jonathan); Proctor (Susan), . 2007. New Interchange: English for International Communication: Work Book 1. : .

Harvard

Richards (Jack C); Hull (Jonathan); Proctor (Susan), . (2007). New Interchange: English for International Communication: Work Book 1. : .

MLA

Richards (Jack C); Hull (Jonathan); Proctor (Susan), . New Interchange: English for International Communication: Work Book 1. : . 2007.