APA-viite (7. p.)
POLAND, B., & ET AL. HETEROGENEITY AMONG SMOKERS AND NON-SMOKERS IN ATTITUDES AND BEHAVIOUR REGARDING SMOKING AND SMOKING RESTRICTIONS.
Chicago-viite (17. p.)
POLAND, B.D, ja ET AL. HETEROGENEITY AMONG SMOKERS AND NON-SMOKERS IN ATTITUDES AND BEHAVIOUR REGARDING SMOKING AND SMOKING RESTRICTIONS.
MLA-viite (9. p.)
POLAND, B.D, ja ET AL. HETEROGENEITY AMONG SMOKERS AND NON-SMOKERS IN ATTITUDES AND BEHAVIOUR REGARDING SMOKING AND SMOKING RESTRICTIONS.
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