P.Maslov. (1963). Statistics- organisation and method. Progress Pub.
Cita Chicago (17th ed.)P.Maslov. Statistics- Organisation and Method. Moscow: Progress Pub, 1963.
Cita MLA (9th ed.)P.Maslov. Statistics- Organisation and Method. Progress Pub, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.