Gaya APA
Evea, P., Elliot, S, D. (2006).
Mapping The World : Mapping For Today And Tomorow .
BANDUNG:
Pakar Raya.
Gaya MLA
Evea, Peter., Elliot, Stella, DouglasPeter.
"Mapping The World : Mapping For Today And Tomorow".
BANDUNG:
Pakar Raya,
2006.
Reference.