Gaya APA
Semangun, H.
(1992).
Host index of plant diseases in Indonesia
(
1)
.
Yogyakarta:
Gajah mada university press.
Gaya MLA
Semangun, Haryono.
"Host index of plant diseases in Indonesia".
1
Yogyakarta:
Gajah mada university press,
1992.
Text.