Cita APA (7a ed.)

Petesch, P. L., & Strong, M. F. (1992). North-south environmental strategies, costs and bargains. Overseas Development Council.

Cita Chicago Style (17a ed.)

Petesch, Patti L., y Maurice F. Strong. North-south Environmental Strategies, Costs and Bargains. Washington: Overseas Development Council, 1992.

Cita MLA (8a ed.)

Petesch, Patti L., y Maurice F. Strong. North-south Environmental Strategies, Costs and Bargains. Overseas Development Council, 1992.