Gaya APA
Wargiono, J., Barrett, D, M.
(1991).
Budidaya Ubikayu
.
Semarang:
Dahara Prize.
Gaya MLA
Wargiono, J.., Barrett, Diane, M..
"Budidaya Ubikayu".
Semarang:
Dahara Prize,
1991.
Text.