Peters, C. C., & Van Voorhis, W. R. (1935). Statistical procedures and their mathematical bases. State College, Pa., School of education, the Pennsylvania state college.
Citazione stile Chigago Style (17a edizione)Peters, Charles Clinton, e Walter Roe Van Voorhis. Statistical Procedures and Their Mathematical Bases. Pennsylvania: State College, Pa., School of education, the Pennsylvania state college, 1935.
Citatione MLA (9a ed.)Peters, Charles Clinton, e Walter Roe Van Voorhis. Statistical Procedures and Their Mathematical Bases. State College, Pa., School of education, the Pennsylvania state college, 1935.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.