Gaya APA
PORTER, ROY. (1990, 1994).
ENLIGHTENMENT,THE .
NEW YORK, NEW YORK:
MACMILLAN COMPANY.
Gaya Chicago
PORTER, ROY.
ENLIGHTENMENT,THE.
NEW YORK, NEW YORK:
MACMILLAN COMPANY,
1990, 1994.
Text.
Gaya MLA
PORTER, ROY.
ENLIGHTENMENT,THE.
NEW YORK, NEW YORK:
MACMILLAN COMPANY,
1990, 1994.
Text.
Gaya Turabian
PORTER, ROY.
ENLIGHTENMENT,THE.
NEW YORK, NEW YORK:
MACMILLAN COMPANY,
1990, 1994.
Print.