Gaya APA
Suparno, P., Prastya, U.
(2019).
Spiritualitas guru
.
Yogyakarta:
PT. Kanisius.
Gaya MLA
Suparno, Paul., Prastya, Uji.
"Spiritualitas guru".
Yogyakarta:
PT. Kanisius,
2019.
Text.