Gaya APA
Butler, George D.. (1949).
Introduction to community recreation .
New York:
McGraw Hill.
Gaya Chicago
Butler, George D..
Introduction to community recreation.
New York:
McGraw Hill,
1949.
Text.
Gaya MLA
Butler, George D..
Introduction to community recreation.
New York:
McGraw Hill,
1949.
Text.
Gaya Turabian
Butler, George D..
Introduction to community recreation.
New York:
McGraw Hill,
1949.
Print.