Arkin, H. (1957). Statistical methods (4ª ed.). Barnes and Noble Books.
Cita Chicago (17th ed.)Arkin, Herbert. Statistical Methods. 4ª ed. Barnes and Noble Books, 1957.
Cita MLA (9th ed.)Arkin, Herbert. Statistical Methods. 4ª ed. Barnes and Noble Books, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.