APA Style

Harris, Michael, Maris, Amanda, Mower, David. (2012). New Challenges Students Book 1 . England: Pearson Elt.

Chicago Style

Harris, Michael, Maris, Amanda, Mower, David. New Challenges Students Book 1. England: Pearson Elt, 2012. Text.

MLA Style

Harris, Michael, Maris, Amanda, Mower, David. New Challenges Students Book 1. England: Pearson Elt, 2012. Text.

Turabian Style

Harris, Michael, Maris, Amanda, Mower, David. New Challenges Students Book 1. England: Pearson Elt, 2012. Print.