Gaya APA
The complete book of gymnastics. (1977).
New Jersey:
Prentice Hall Inc..
Gaya Chicago
The complete book of gymnastics.
3rd ed..
New Jersey:
Prentice Hall Inc.,
1977.
Buku.
Gaya MLA
The complete book of gymnastics.
3rd ed..
New Jersey:
Prentice Hall Inc.,
1977.
Buku.
Gaya Turabian
The complete book of gymnastics.
New Jersey:
Prentice Hall Inc.,
1977.
Buku.