Gaya APA
R.Spiegel, M. (1987).
Schaum' Outline of Theory And Problems of statistics in SI units .
New York:
McGraw Hill Book Co.
Gaya MLA
R.Spiegel, Murray.
"Schaum' Outline of Theory And Problems of statistics in SI units".
New York:
McGraw Hill Book Co,
1987.
Text.