Gaya APA
Walpole, R, E., Sumantri, B. (1988).
Pengantar statistika (3rd ed).
Jakarta:
PT.Gramedia Pustaka Utama.
Gaya MLA
Walpole, Ronald, E.., Sumantri, Bambang..
"Pengantar statistika".
3rd ed
Jakarta:
PT.Gramedia Pustaka Utama,
1988.
Printed Book.