Gaya APA
Haber, ., Runyon, .
(1973).
General Statistics
(
Edisi 2)
.
Filipina:
Addison-wesley Publising.
Gaya MLA
Haber, ., Runyon, .
"General Statistics".
Edisi 2
Filipina:
Addison-wesley Publising,
1973.
Text.