Richards, J. W., DiFranza, J. R., Fletcher, C., & Fischer, P. M. (1995). RJ Reynolds' Camel Cash: Another way to reach kids. BMJ Group.
Παραπομπή Chicago StyleRichards, J. W., J. R. DiFranza, C. Fletcher, και P. M. Fischer. RJ Reynolds' Camel Cash: Another Way to Reach Kids. BMJ Group, 1995.
Παραπομπή MLARichards, J. W., J. R. DiFranza, C. Fletcher, και P. M. Fischer. RJ Reynolds' Camel Cash: Another Way to Reach Kids. BMJ Group, 1995.
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