Peto, R., & Doll, R. (1977). WHEN IS SIGNIFICANT NOT SIGNIFICANT.
Cita Chicago (17th ed.)Peto, R., i R. Doll. WHEN IS SIGNIFICANT NOT SIGNIFICANT. 1977.
Cita MLA (9th ed.)Peto, R., i R. Doll. WHEN IS SIGNIFICANT NOT SIGNIFICANT. 1977.
Atenció: Aquestes cites poden no estar 100% correctes.