(ABVV), A. B. V. (1979). 144/00742: Briefwisseling betreffende Singapore National Trades Union Congress, 1976.
Cita Chicago (17th ed.)(ABVV), Algemeen Belgisch Vakverbond. 144/00742: Briefwisseling Betreffende Singapore National Trades Union Congress, 1976. 1979.
Cita MLA (8th ed.)(ABVV), Algemeen Belgisch Vakverbond. 144/00742: Briefwisseling Betreffende Singapore National Trades Union Congress, 1976. 1979.
Atenció: Aquestes cites poden no estar 100% correctes.