Wabala, D. W. (2006). Rediscovering the pearl of servanthood. Evangel.
Cita Chicago (17th ed.)Wabala, Daniel W. Rediscovering the Pearl of Servanthood. Nairobi, Kenya: Evangel, 2006.
Cita MLA (9th ed.)Wabala, Daniel W. Rediscovering the Pearl of Servanthood. Evangel, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.