Ace Com. (1992). Agenda 21: Enviroment. Ace Communication.
Tohutoru Kātū Chicago (17th ed.)Ace Com. Agenda 21: Enviroment. Nairobi, kenya: Ace Communication, 1992.
Tohutoro MLA (9th ed.)Ace Com. Agenda 21: Enviroment. Ace Communication, 1992.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.