Gaya APA
Loken, N, C., Willoughby, R, J.
(1977).
The complete of gymnasyics
(
2ed)
.
New Jersey:
Prentice-Hall.
Gaya MLA
Loken, Newton, C.., Willoughby, Robert, J..
"The complete of gymnasyics".
2ed
New Jersey:
Prentice-Hall,
1977.
Text.