Gaya APA

FOREMAN, D, I., CORDER, G, W. (2014). NONPARAMETRIC STATISTICS : A Step-by-Step Approach (2nd ed). New Jersey: John Wiley & Sons, Inc..

Gaya MLA

FOREMAN, DALE, I.., CORDER, GREGORY, W.. "NONPARAMETRIC STATISTICS : A Step-by-Step Approach". 2nd ed New Jersey: John Wiley & Sons, Inc., 2014. MP.