Gaya APA
Downs, James F.. (1971).
Cultures in crisis (2nd ed).
London:
Collier Macmillan.
Gaya Chicago
Downs, James F..
Cultures in crisis.
2nd ed
London:
Collier Macmillan,
1971.
Text.
Gaya MLA
Downs, James F..
Cultures in crisis.
2nd ed
London:
Collier Macmillan,
1971.
Text.
Gaya Turabian
Downs, James F..
Cultures in crisis.
2nd ed
London:
Collier Macmillan,
1971.
Print.