Gaya APA
Johnson, Robert R.. (1984).
Elementary Statistics (Ed.4).
Boston:
PWS Publishing.
Gaya Chicago
Johnson, Robert R..
Elementary Statistics.
Ed.4
Boston:
PWS Publishing,
1984.
Text.
Gaya MLA
Johnson, Robert R..
Elementary Statistics.
Ed.4
Boston:
PWS Publishing,
1984.
Text.
Gaya Turabian
Johnson, Robert R..
Elementary Statistics.
Ed.4
Boston:
PWS Publishing,
1984.
Print.