Παραπομπή APA
Guia, E. O. d., & Development Centre Studies. (1972). A comparative study of fertiliser distribution systems: In five developing countries. Raris: Development Centre of the Organization for Economics Co-operation and Development.
Παραπομπή Chicago StyleGuia, Eric O. de., and Development Centre Studies. A Comparative Study of Fertiliser Distribution Systems: In Five Developing Countries. Raris: Development Centre of the Organization for Economics Co-operation and Development, 1972.
Παραπομπή MLAGuia, Eric O. de., and Development Centre Studies. A Comparative Study of Fertiliser Distribution Systems: In Five Developing Countries. Raris: Development Centre of the Organization for Economics Co-operation and Development, 1972.
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