Gras, B. (2002). Schadstoffe in Altholz.
Cita Chicago (17th ed.)Gras, Birgit. Schadstoffe in Altholz. Hamburg, 2002.
Cita MLA (8th ed.)Gras, Birgit. Schadstoffe in Altholz. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.
Gras, B. (2002). Schadstoffe in Altholz.
Cita Chicago (17th ed.)Gras, Birgit. Schadstoffe in Altholz. Hamburg, 2002.
Cita MLA (8th ed.)Gras, Birgit. Schadstoffe in Altholz. 2002.