Caldecott, J. (1996). Disigning conservation projects. Univ. Pr.
Cita Chicago (17th ed.)Caldecott, Julian. Disigning Conservation Projects. Cambridge: Univ. Pr, 1996.
Cita MLA (9th ed.)Caldecott, Julian. Disigning Conservation Projects. Univ. Pr, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.