Gaya APA
Sauer, Christopher, Yetton, Philip W.. (1997).
STEPS TO THE FUTURE .
California:
JOSSEY BASS.
Gaya Chicago
Sauer, Christopher, Yetton, Philip W..
STEPS TO THE FUTURE.
California:
JOSSEY BASS,
1997.
Text.
Gaya MLA
Sauer, Christopher, Yetton, Philip W..
STEPS TO THE FUTURE.
California:
JOSSEY BASS,
1997.
Text.
Gaya Turabian
Sauer, Christopher, Yetton, Philip W..
STEPS TO THE FUTURE.
California:
JOSSEY BASS,
1997.
Print.