Gaya APA
Suwignyo, S., Sardjono, M, A.
(2005).
Avertebrata air jilid 1
(
1)
.
Jakarta:
PS.
Gaya MLA
Suwignyo, Sugiarti., Sardjono, Maria, A.
"Avertebrata air jilid 1".
1
Jakarta:
PS,
2005.
Text.