Gaya APA
JOHNSON, ROBERT. (1992).
Elemetary statistics (6e).
Boston:
PWS-KENT Publ..
Gaya Chicago
JOHNSON, ROBERT.
Elemetary statistics.
6e
Boston:
PWS-KENT Publ.,
1992.
Buku.
Gaya MLA
JOHNSON, ROBERT.
Elemetary statistics.
6e
Boston:
PWS-KENT Publ.,
1992.
Buku.
Gaya Turabian
JOHNSON, ROBERT.
Elemetary statistics.
6e
Boston:
PWS-KENT Publ.,
1992.
Buku.