Zier, A. (1995). Untersuchung zur AIDS-Seelsorge: Achim Zier.
Cita Chicago (17th ed.)Zier, Achim. Untersuchung Zur AIDS-Seelsorge: Achim Zier. 1995.
Cita MLA (8th ed.)Zier, Achim. Untersuchung Zur AIDS-Seelsorge: Achim Zier. 1995.
Atenció: Aquestes cites poden no estar 100% correctes.