Pergande Publishing company, Milwaukee. (1942). Junior statistician: Prepartory problems and questions and a full length practice test for civil service examinations. Pergande Pub.
Citazione stile Chigago Style (17a edizione)Pergande Publishing company, Milwaukee. Junior Statistician: Prepartory Problems and Questions and a Full Length Practice Test for Civil Service Examinations. Milwaukee,Wis: Pergande Pub, 1942.
Citatione MLA (9a ed.)Pergande Publishing company, Milwaukee. Junior Statistician: Prepartory Problems and Questions and a Full Length Practice Test for Civil Service Examinations. Pergande Pub, 1942.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.