Triola, M. F. (1980). Elementary statistics / Mario F. Triola. Benjamin/Cummings.
Cita Chicago (17th ed.)Triola, Mario F. Elementary Statistics / Mario F. Triola. Menlo Park, Calif.: Benjamin/Cummings, 1980.
Cita MLA (9th ed.)Triola, Mario F. Elementary Statistics / Mario F. Triola. Benjamin/Cummings, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.