APA (7th ed.) Zitazioa
Roberts, R. (1999). Lessons in leadership: Fifty respected evangelical leaders share their wisdom on ministry. Kregel Publications.
Chicago Style (17th ed.) Zitazioa
Roberts, Randal. Lessons in Leadership: Fifty Respected Evangelical Leaders Share Their Wisdom on Ministry. Grand Rapids: Kregel Publications, 1999.
MLA (9th ed.) Zitazioa
Roberts, Randal. Lessons in Leadership: Fifty Respected Evangelical Leaders Share Their Wisdom on Ministry. Kregel Publications, 1999.
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