Gaya APA

Backer, C., Brink, B, V, D. (1963). Flora of Java (Spermatophytes Only)Vol.1 . Netherland: N.V.P Noordhoff-Groningen.

Gaya MLA

Backer, C.A.., Brink, Bakhuizen, Van, Den. "Flora of Java (Spermatophytes Only)Vol.1". Netherland: N.V.P Noordhoff-Groningen, 1963. Text.