APA-viite

Vessey, M. P., & Doll, R. (1969). Investigation of Relation between Use of Oral Contraceptives and Thromboembolic Disease. A Further Report.

Chicago-tyylinen lähdeviittaus

Vessey, M. P., ja Richard Doll. Investigation of Relation between Use of Oral Contraceptives and Thromboembolic Disease. A Further Report. 1969.

MLA-viite

Vessey, M. P., ja Richard Doll. Investigation of Relation between Use of Oral Contraceptives and Thromboembolic Disease. A Further Report. 1969.

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