Gaya APA
Melbo, Irving Robert. (1961).
Our Country's National Parks .
New York:
The Bobbs-Merril Co..
Gaya Chicago
Melbo, Irving Robert.
Our Country's National Parks.
New York:
The Bobbs-Merril Co.,
1961.
Text.
Gaya MLA
Melbo, Irving Robert.
Our Country's National Parks.
New York:
The Bobbs-Merril Co.,
1961.
Text.
Gaya Turabian
Melbo, Irving Robert.
Our Country's National Parks.
New York:
The Bobbs-Merril Co.,
1961.
Print.