Παραπομπή APA

Lock, G. F. (1976). General sources of statistics. London: Published for the Royal Statistical Society and the Social Science Research Council by Heinemann Educational.

Παραπομπή Chicago Style

Lock, G. F. General Sources of Statistics. London: Published for the Royal Statistical Society and the Social Science Research Council by Heinemann Educational, 1976.

Παραπομπή MLA

Lock, G. F. General Sources of Statistics. London: Published for the Royal Statistical Society and the Social Science Research Council by Heinemann Educational, 1976.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.