APA Citatie

Laws, M., Whitman, J., Bowser, D., & Krech, L. (2002). Tobacco availability and point of sale marketing in demographically contrasting districts of Massachusetts. BMJ Group.

Chicago Style citaat

Laws, M., J. Whitman, D. Bowser, en L. Krech. Tobacco Availability and Point of Sale Marketing in Demographically Contrasting Districts of Massachusetts. BMJ Group, 2002.

MLA citatie

Laws, M., J. Whitman, D. Bowser, en L. Krech. Tobacco Availability and Point of Sale Marketing in Demographically Contrasting Districts of Massachusetts. BMJ Group, 2002.

Let op: Deze citaties zijn niet altijd 100% accuraat.