Gaya APA
Harnoko,dkk, D.
(2018).
Pabrik Gula DjatirotornKajian Industri Gula 1958-1980
.
Yogyakarta:
BPNB DIY.
Gaya MLA
Harnoko,dkk, Darto.
"Pabrik Gula DjatirotornKajian Industri Gula 1958-1980".
Yogyakarta:
BPNB DIY,
2018.
Buku Umum.