Gaya APA
Alvin M. Josephy, Jr. (1963).
The American Heritage Book of Natural Wonders .
USA:
American Heritage Publishing Co, Inc.
Gaya Chicago
Alvin M. Josephy, Jr.
The American Heritage Book of Natural Wonders.
USA:
American Heritage Publishing Co, Inc,
1963.
Text.
Gaya MLA
Alvin M. Josephy, Jr.
The American Heritage Book of Natural Wonders.
USA:
American Heritage Publishing Co, Inc,
1963.
Text.
Gaya Turabian
Alvin M. Josephy, Jr.
The American Heritage Book of Natural Wonders.
USA:
American Heritage Publishing Co, Inc,
1963.
Print.