Gaya APA
GRECO, MARSHALL C.. (1950).
GROUP LIFE .
NEW YORK:
PHILOSOPHICAL LIBRARY.
Gaya Chicago
GRECO, MARSHALL C..
GROUP LIFE.
NEW YORK:
PHILOSOPHICAL LIBRARY,
1950.
Text.
Gaya MLA
GRECO, MARSHALL C..
GROUP LIFE.
NEW YORK:
PHILOSOPHICAL LIBRARY,
1950.
Text.
Gaya Turabian
GRECO, MARSHALL C..
GROUP LIFE.
NEW YORK:
PHILOSOPHICAL LIBRARY,
1950.
Print.