APA-viite (7. p.)

Gram, I., Lukanova, A., Brill, I., Braaten, T., Lund, E., Lundin, E., . . . Sánchez, M. (2011). Cigarette smoking and risk of histological subtypes of epithelial ovarian cancer in the EPIC cohort study.

Chicago-viite (17. p.)

Gram, I., et al. Cigarette Smoking and Risk of Histological Subtypes of Epithelial Ovarian Cancer in the EPIC Cohort Study. 2011.

MLA-viite (9. p.)

Gram, I., et al. Cigarette Smoking and Risk of Histological Subtypes of Epithelial Ovarian Cancer in the EPIC Cohort Study. 2011.

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