APA Style
Ritonga, I, L. et al
(2020).
Buku Ajarb Keperawatan Gerontik
.
SLEMAN:
DEEPUBLISH.
MLA Style
Ritonga, Imelda, Liana. et al.
"Buku Ajarb Keperawatan Gerontik".
SLEMAN:
DEEPUBLISH,
2020.
PERAWAT.