Gaya APA
Downie, N. M.. (1974).
Basic Statistical Menhods (4th. ed).
New York:
Harper & Row.
Gaya Chicago
Downie, N. M..
Basic Statistical Menhods.
4th. ed
New York:
Harper & Row,
1974.
Text.
Gaya MLA
Downie, N. M..
Basic Statistical Menhods.
4th. ed
New York:
Harper & Row,
1974.
Text.
Gaya Turabian
Downie, N. M..
Basic Statistical Menhods.
4th. ed
New York:
Harper & Row,
1974.
Print.