Francina, S. (1997). The new yoga for people over 50: A comprehensive guide for midlife and older beginners. Health Communications.
Chicago-referens (17:e uppl.)Francina, Suza. The New Yoga for People over 50: A Comprehensive Guide for Midlife and Older Beginners. Florida: Health Communications, 1997.
MLA-referens (9:e uppl.)Francina, Suza. The New Yoga for People over 50: A Comprehensive Guide for Midlife and Older Beginners. Health Communications, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.