Gaya APA
Haryanto, R, D, Y.
(1905).
Keperawatan Gerontik
.
YOGYAKARTA:
Deepublish.
Gaya MLA
Haryanto, Ruswati, Dan, Yanto.
"Keperawatan Gerontik".
YOGYAKARTA:
Deepublish,
1905.
Tadris Fisika.