Não informado. (1985). WASTE TREATMENT TECHNOLOGY NEWS. Business Communications.
Chicago-Zitierstil (17. Ausg.)Não informado. WASTE TREATMENT TECHNOLOGY NEWS. Stanford, Conn: Business Communications, 1985.
MLA-Zitierstil (8. Ausg.)Não informado. WASTE TREATMENT TECHNOLOGY NEWS. Business Communications, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.