Coldrick, A. (1979). International directory of the: Trade Union movement. Facts on File.
Chicago Style (17. basım) AtıfColdrick, A.Percy. International Directory of the: Trade Union Movement. New York: Facts on File, 1979.
MLA (9th ed.) AtıfColdrick, A.Percy. International Directory of the: Trade Union Movement. Facts on File, 1979.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..