SAMPLING & MORGAN, J. H. [. (1996). Sampling environmental media/Editor: James Howard Mor-gan. ASTM.
Cita Chicago (17th ed.)SAMPLING i James Howard [ed] MORGAN. Sampling Environmental Media/Editor: James Howard Mor-gan. West Conshohocken: ASTM, 1996.
Cita MLA (9th ed.)SAMPLING i James Howard [ed] MORGAN. Sampling Environmental Media/Editor: James Howard Mor-gan. ASTM, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.