Dyfyniad APA

Adam, S. A., Sheaves, J. K., Wright, N. H., Mosser, G., Harris, R. W., & Vessey, M. P. (1981). A case-control study of the possible association between oral contraceptives and malignant melanoma. Nature Publishing Group.

Dyfyniad Arddull Chicago

Adam, S. A., J. K. Sheaves, N. H. Wright, G. Mosser, R. W. Harris, and M. P. Vessey. A Case-control Study of the Possible Association between Oral Contraceptives and Malignant Melanoma. Nature Publishing Group, 1981.

Dyfyniad MLA

Adam, S. A., et al. A Case-control Study of the Possible Association between Oral Contraceptives and Malignant Melanoma. Nature Publishing Group, 1981.

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