APA

Coelho P., Costa M. J., . (2005). The Zahir. New York: HarperCollins.

Chicago

Coelho Paulo, Costa Margaret Jull, . 2005. The Zahir. New York: HarperCollins.

Harvard

Coelho P., Costa M. J., . (2005). The Zahir. New York: HarperCollins.

MLA

Coelho Paulo, Costa Margaret Jull, . The Zahir. New York: HarperCollins. 2005.