Cita APA

Bland, J. M., & Kerry, S. M. (1998). Statistics notes. Weighted comparison of means. BMJ Group.

Chicago Style Citation

Bland, J. M., i S. M. Kerry. Statistics Notes. Weighted Comparison of Means. BMJ Group, 1998.

Cita MLA

Bland, J. M., i S. M. Kerry. Statistics Notes. Weighted Comparison of Means. BMJ Group, 1998.