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.