Gaya APA
Swanson, William E.. (1952).
Camping for all it's worth .
New York:
Macmillan.
Gaya Chicago
Swanson, William E..
Camping for all it's worth.
New York:
Macmillan,
1952.
Text.
Gaya MLA
Swanson, William E..
Camping for all it's worth.
New York:
Macmillan,
1952.
Text.
Gaya Turabian
Swanson, William E..
Camping for all it's worth.
New York:
Macmillan,
1952.
Print.