APA Style
David Freedman, Robert Pisani, Roger Purves. (1980).
Statistics .
New York:
[u.a.] Norton.
Chicago Style
David Freedman, Robert Pisani, Roger Purves.
Statistics.
New York:
[u.a.] Norton,
1980.
Text.
MLA Style
David Freedman, Robert Pisani, Roger Purves.
Statistics.
New York:
[u.a.] Norton,
1980.
Text.
Turabian Style
David Freedman, Robert Pisani, Roger Purves.
Statistics.
New York:
[u.a.] Norton,
1980.
Print.