Gaya APA
Coladarci, A., Coladarci, T. (1980).
Elementary descriptive statistics : for those who think they can't .
Belmont:
Wadsworth.
Gaya MLA
Coladarci, Arthur., Coladarci, Theodore.
"Elementary descriptive statistics : for those who think they can't".
Belmont:
Wadsworth,
1980.
Text.