Gaya APA
Harahap, e. mary. (1995).
The magic wallet .
Bandung:
ITB Bandung.
Gaya Chicago
Harahap, e. mary.
The magic wallet.
Bandung:
ITB Bandung,
1995.
Buku.
Gaya MLA
Harahap, e. mary.
The magic wallet.
Bandung:
ITB Bandung,
1995.
Buku.
Gaya Turabian
Harahap, e. mary.
The magic wallet.
Bandung:
ITB Bandung,
1995.
Buku.