Παραπομπή APA

Aykroyd, P. (1982). Skills & Tactiscs of Gymnadstics.

Παραπομπή Chicago Style

Aykroyd, Peter. Skills & Tactiscs of Gymnadstics. Marshall Cavendish, 1982.

Παραπομπή MLA

Aykroyd, Peter. Skills & Tactiscs of Gymnadstics. 1982.