Gaya APA
Semangun, H.
(1992).
Host index of plant diseases in indonesia
(
Cet. 1)
.
Yogyakarta:
UGM Perss.
Gaya MLA
Semangun, Haryono.
"Host index of plant diseases in indonesia".
Cet. 1
Yogyakarta:
UGM Perss,
1992.
Text books.