Long, F. J., & Arnold, M. B. (1995). The power of environmental partnerships. Dryden Press.
Cita Chicago (17th ed.)Long, Frederick J., i Matthew B. Arnold. The Power of Environmental Partnerships. Fort Worth: Dryden Press, 1995.
Cita MLA (9th ed.)Long, Frederick J., i Matthew B. Arnold. The Power of Environmental Partnerships. Dryden Press, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.