Gaya APA

Ryken, Philip Graham. (2013). Christian Worldview: A Student's Guide . Wheaton, Illinois: Crossway.

Gaya Chicago

Ryken, Philip Graham. Christian Worldview: A Student's Guide. Wheaton, Illinois: Crossway, 2013. Text.

Gaya MLA

Ryken, Philip Graham. Christian Worldview: A Student's Guide. Wheaton, Illinois: Crossway, 2013. Text.

Gaya Turabian

Ryken, Philip Graham. Christian Worldview: A Student's Guide. Wheaton, Illinois: Crossway, 2013. Print.