Kelu, P. (2000). Environmental Education: Conceptual analysis. University of Calicut.
Stile di citazione ChicagoKelu, P. Environmental Education: Conceptual Analysis. Calicut: University of Calicut, 2000.
Citazione MLAKelu, P. Environmental Education: Conceptual Analysis. University of Calicut, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.