Cita APA (7th ed.)
Statistical bulletin of Czechoslovakia [Stat Bull Czechoslov] NLMUID: 23120130R.
Cita Chicago (17th ed.)
Statistical Bulletin of Czechoslovakia [Stat Bull Czechoslov] NLMUID: 23120130R.
Cita MLA (9th ed.)
Statistical Bulletin of Czechoslovakia [Stat Bull Czechoslov] NLMUID: 23120130R.
Atenció: Aquestes cites poden no estar 100% correctes.