Παραπομπή APA

Bowley Arthur L. (1921). Official statistics: What they contain and how to use them.

Παραπομπή Chicago Style

Bowley Arthur L. Official Statistics: What They Contain and How to Use Them. 1921.

Παραπομπή MLA

Bowley Arthur L. Official Statistics: What They Contain and How to Use Them. 1921.

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