Gaya APA
Spiegel, M, R. (1981).
Schaum\'s outline of theory and problems of statistics in si units .
Singapore:
McGraw - Hill Intenational Book Co.
Gaya MLA
Spiegel, Murrray, R.
"Schaum\'s outline of theory and problems of statistics in si units".
Singapore:
McGraw - Hill Intenational Book Co,
1981.
Text.