Borrego, C., & Pio, C. A. (1991). Statistical methods to apportion the sources of particles in the industrial region of Estarreja—Portugal.
Chicago Style (17th ed.) CitationBorrego, C., and C. A. Pio. Statistical Methods to Apportion the Sources of Particles in the Industrial Region of Estarreja—Portugal. 1991.
MLA (8th ed.) CitationBorrego, C., and C. A. Pio. Statistical Methods to Apportion the Sources of Particles in the Industrial Region of Estarreja—Portugal. 1991.
Warning: These citations may not always be 100% accurate.