Gaya APA
Wannacott, R, J., Wannacott, T, H.
(1985).
Introductory Statitics
(
Edisi 4)
.
America:
John Wiley & Sons.
Gaya MLA
Wannacott, Ronald, J.., Wannacott, Thomas, H..
"Introductory Statitics".
Edisi 4
America:
John Wiley & Sons,
1985.
Text.