Barna, G. (1992). The power of vision: How you can capture and apply God's vision for your ministry. regal books.
Citace podle Chicago (17th ed.)Barna, George. The Power of Vision: How You Can Capture and Apply God's Vision for Your Ministry. California: regal books, 1992.
Citace podle MLA (9th ed.)Barna, George. The Power of Vision: How You Can Capture and Apply God's Vision for Your Ministry. regal books, 1992.
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