Gaya APA
VOGL, F., SINCLAIR, J. (1996).
Boom: visions and insihts for creating wealth in the 21st century .
London:
Kogan Page.
Gaya MLA
VOGL, Frank., SINCLAIR, James.
"Boom: visions and insihts for creating wealth in the 21st century".
London:
Kogan Page,
1996.
Text.