Belza, B., Walwick, J., Schwartz, S., LoGerfo, J., Shiu-Thornton, S., & Taylor, M. (2004). Older Adult Perspectives on Physical Activity and Exercise: Voices From Multiple Cultures. Centers for Disease Control and Prevention.

Belza, Basia, Julie Walwick, Sheryl Schwartz, James LoGerfo, Sharyne Shiu-Thornton, ja Mary Taylor. Older Adult Perspectives On Physical Activity and Exercise: Voices From Multiple Cultures. Centers for Disease Control and Prevention, 2004.

Belza, Basia, et al. Older Adult Perspectives On Physical Activity and Exercise: Voices From Multiple Cultures. Centers for Disease Control and Prevention, 2004.