APA Alıntı

Wellman, R., & DiFranza, J. (2003). Seasonality in onset of youth smoking parallels seasonality in cigarette sales. BMJ Group.

Chicago Stili Alıntı

Wellman, R., ve J. DiFranza. Seasonality in Onset of Youth Smoking Parallels Seasonality in Cigarette Sales. BMJ Group, 2003.

MLA Alıntı

Wellman, R., ve J. DiFranza. Seasonality in Onset of Youth Smoking Parallels Seasonality in Cigarette Sales. BMJ Group, 2003.

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