(1997). Young action for the future (2nd.ed.). UNEP.
Tohutoru Kātū Chicago (17th ed.)Young Action for the Future. 2nd.ed. Nairobi: UNEP, 1997.
Tohutoro MLA (9th ed.)Young Action for the Future. 2nd.ed. UNEP, 1997.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.