ReVelle, P., & ReVelle, C. (1992). The global environment: Securing a sustainable future. Jones and Bartlett.
Cita Chicago (17th ed.)ReVelle, Penelope, i Charles ReVelle. The Global Environment: Securing a Sustainable Future. Boston: Jones and Bartlett, 1992.
Cita MLA (9th ed.)ReVelle, Penelope, i Charles ReVelle. The Global Environment: Securing a Sustainable Future. Jones and Bartlett, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.