Gaya APA
Hartati, A, S, A, W, D, A, S.
(1905).
Statistika I
.
YOGYAKARTA:
Deepublish.
Gaya MLA
Hartati, Arief, Subyantoro,, A.Y.N., Warsiki, Dan, Anis, Siti.
"Statistika I".
YOGYAKARTA:
Deepublish,
1905.
Tadris Fisika.