APA
QUARRIE JOYCE (ED.), . (1993). Earth Summit 1992: United Nations Conference on Environment and Development, Rio de Janeiro. LONDON: RICHARD KYLE.
Chicago
QUARRIE JOYCE (ED.), . 1993. Earth Summit 1992: United Nations Conference on Environment and Development, Rio de Janeiro. LONDON: RICHARD KYLE.
Harvard
QUARRIE JOYCE (ED.), . (1993). Earth Summit 1992: United Nations Conference on Environment and Development, Rio de Janeiro. LONDON: RICHARD KYLE.
MLA
QUARRIE JOYCE (ED.), . Earth Summit 1992: United Nations Conference on Environment and Development, Rio de Janeiro. LONDON: RICHARD KYLE. 1993.