Gaya APA
Nugroho, .
(1991).
Sendi-sendi statistik / Nugroho
(
Ed.1Cet.3)
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Jakarta:
Rajawali Press.
Gaya MLA
Nugroho, .
"Sendi-sendi statistik / Nugroho".
Ed.1Cet.3
Jakarta:
Rajawali Press,
1991.
Text.