I have found these to be quite helpful.
Apologetics Van Til, Bahnsen, Oliphint (iTunesU link)
History and Nature of Apologetics by Dr. Cornelius Van Til (iTunesU link)
Doctrine of God by Dr. Scott Oliphint (iTunesU link)
Christ and Human Thought by Dr. Cornelius Van Til (iTunesU link)
* These are all available from the Westminster Theological Seminary Resources website though you may need to create an account to download them.…Read more
The current issue of Hope’s Reason: An Apologetics Journal has two thought-provoking articles; “An Apologetic Church”
by Stephen J. Bedard, and “Apologetic Testimony from an Unlikely Source” by Mark Eckel. Check them out here.…
… Read more
Paul wrote to Titus that overseers (pastors and elders) in the church are required to be especially adept at refuting those who oppose the truth of God (Titus 1:9). However this is not merely the assigned task of ordained men. All believers are commanded to engage in it as well. Addressing himself to all members of the congregation, Peter penned the following command: “sanctify Christ as Lord in your hearts, always being ready to give an answer to anyone who asks from you a reason for the hope that is within you, yet with gentleness and respect” (1 Peter 3:15).