Crucible II Group. (2001). Seeding solutions. International Development Research Centre.
Cita Chicago (17th ed.)Crucible II Group. Seeding Solutions. Ottawa: International Development Research Centre, 2001.
Cita MLA (9th ed.)Crucible II Group. Seeding Solutions. International Development Research Centre, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.