Gaya APA
Parengkuan, Vanda. ([s.n.]).
Balon Harapan .
Jakarta:
Penerbitan Sarana Bobo.
Gaya Chicago
Parengkuan, Vanda.
Balon Harapan.
Jakarta:
Penerbitan Sarana Bobo,
[s.n.].
Fiction.
Gaya MLA
Parengkuan, Vanda.
Balon Harapan.
Jakarta:
Penerbitan Sarana Bobo,
[s.n.].
Fiction.
Gaya Turabian
Parengkuan, Vanda.
Balon Harapan.
Jakarta:
Penerbitan Sarana Bobo,
[s.n.].
Fiction.