Barnett, V., Turkman, K. F., Commission of the European Communities, & SPRUCE Conference. (1994). Statistics for the environment: Water related issues. John Wiley & Sons.
Cita Chicago (17th ed.)Barnett, Vic, K. Feridum Turkman, Commission of the European Communities, i SPRUCE Conference. Statistics for the Environment: Water Related Issues. Chichester: John Wiley & Sons, 1994.
Cita MLA (9th ed.)Barnett, Vic, et al. Statistics for the Environment: Water Related Issues. John Wiley & Sons, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.