Gaya APA
GEOGRAPHIC, N. (;1998;).
NATIONAL GEOGRAPHIC: MAKING SENSE OF THE MILLENIUM (;;).
;WASHINGTON ;:
;National Geographic;.
Gaya MLA
GEOGRAPHIC, NATIONAL.
"NATIONAL GEOGRAPHIC: MAKING SENSE OF THE MILLENIUM".
;;
;WASHINGTON ;:
;National Geographic;,
;1998;.
;Text;.