APA (7e ed.) Bronvermelding

Keating, M. (1994). The Earth summit's agenda for change: A plain language version of Agenda 21 and the other Rio Agreements. Bookmark.

Chicago (17e ed.) Bronvermelding

Keating, Michael. The Earth Summit's Agenda for Change: A Plain Language Version of Agenda 21 and the Other Rio Agreements. Makati, Metro Manila: Bookmark, 1994.

MLA (9e ed.) Bronvermelding

Keating, Michael. The Earth Summit's Agenda for Change: A Plain Language Version of Agenda 21 and the Other Rio Agreements. Bookmark, 1994.