APA-čujuhus (7. p.)

Thomas, D. P., & Hefler, M. (2016). How to reduce adolescent smoking in low-income and middle-income countries. Elsevier.

Chicago-čujuhus (17. p.)

Thomas, David P., juo Marita Hefler. How to Reduce Adolescent Smoking in Low-income and Middle-income Countries. Elsevier, 2016.

MLA-čujuhus (9. p.)

Thomas, David P., juo Marita Hefler. How to Reduce Adolescent Smoking in Low-income and Middle-income Countries. Elsevier, 2016.

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