APA Style
Walpole, R, E., Sumantri, B. (1995).
Pengantar Statistika (3rd Edition).
Jakarta, Indonesia:
Gramedia Pustaka Utama.
MLA Style
Walpole, Ronald, E.., Sumantri, Bambang.
"Pengantar Statistika".
3rd Edition
Jakarta, Indonesia:
Gramedia Pustaka Utama,
1995.
Book.