Gaya APA
Samsudin, M, A, D, S, C, D, I.
(1977).
Ubi-ubian
.
Bogor:
Lembaga Biologi Nasional - LIPI.
Gaya MLA
Samsudin, Muhammad, Anwar,, Dadang, Syaiful, Cholik, Dan, Iskak.
"Ubi-ubian".
Bogor:
Lembaga Biologi Nasional - LIPI,
1977.
Text.