Gaya APA

Piper, J. (2007). The Future of Justification : a response to N.T. Wright (First). Wheaton, Illinois, USA: Crossway Books.

Gaya MLA

Piper, John. "The Future of Justification : a response to N.T. Wright". First Wheaton, Illinois, USA: Crossway Books, 2007. e-book.