APA
Kupier N. H., . (1961). Random variables rather than distribution functions: A different and useful approach in statistics. : Wageninger.
Chicago
Kupier N H, . 1961. Random variables rather than distribution functions: A different and useful approach in statistics. : Wageninger.
Harvard
Kupier N. H., . (1961). Random variables rather than distribution functions: A different and useful approach in statistics. : Wageninger.
MLA
Kupier N H, . Random variables rather than distribution functions: A different and useful approach in statistics. : Wageninger. 1961.