Gaya APA
LANE,Hana Umlauf. (1980).
THE WORLD ALMANAC & BOOK OF FACTS 1981 .
New York:
News Paper Enterprise Association, Inc.
Gaya Chicago
LANE,Hana Umlauf.
THE WORLD ALMANAC & BOOK OF FACTS 1981.
New York:
News Paper Enterprise Association, Inc,
1980.
Reference.
Gaya MLA
LANE,Hana Umlauf.
THE WORLD ALMANAC & BOOK OF FACTS 1981.
New York:
News Paper Enterprise Association, Inc,
1980.
Reference.
Gaya Turabian
LANE,Hana Umlauf.
THE WORLD ALMANAC & BOOK OF FACTS 1981.
New York:
News Paper Enterprise Association, Inc,
1980.
Reference.