Gaya APA
Backer, C., Bakhuizen, V, D, B, R. (1963).
Flora of Java (Spermatophytes only),Vol.I .
Groningen:
N.V.P. Noordhoff.
Gaya MLA
Backer, C.A., Bakhuizen, Van, Den, Brink,, R.C.
"Flora of Java (Spermatophytes only),Vol.I".
Groningen:
N.V.P. Noordhoff,
1963.
Text.