Plotnikoff, R. C., Lightfoot, P., Spinola, C., Predy, G., & Barrett, L. (2008). A Framework for Addressing the Global Obesity Epidemic Locally: The Child Health Ecological Surveillance System (CHESS). Centers for Disease Control and Prevention.

Plotnikoff, Ronald C., Penny Lightfoot, Carla Spinola, Gerry Predy, ja Linda Barrett. A Framework for Addressing the Global Obesity Epidemic Locally: The Child Health Ecological Surveillance System (CHESS). Centers for Disease Control and Prevention, 2008.

Plotnikoff, Ronald C., et al. A Framework for Addressing the Global Obesity Epidemic Locally: The Child Health Ecological Surveillance System (CHESS). Centers for Disease Control and Prevention, 2008.