Cita APA

DiFranza, J., Savageau, J., & Bouchard, J. (2001). Is the standard compliance check protocol a valid measure of the accessibility of tobacco to underage smokers? BMJ Group.

Citación estilo Chicago

DiFranza, J., J. Savageau, y J. Bouchard. Is the Standard Compliance Check Protocol a Valid Measure of the Accessibility of Tobacco to Underage Smokers? BMJ Group, 2001.

Cita MLA

DiFranza, J., J. Savageau, y J. Bouchard. Is the Standard Compliance Check Protocol a Valid Measure of the Accessibility of Tobacco to Underage Smokers? BMJ Group, 2001.