Gaya APA
Hartono, Caleb. (1989).
PFS : Professional FIle (1).
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Hartono, Caleb.
PFS : Professional FIle.
1
Jakarta:
Elex Media Komputindo,
1989.
Karya Umum.
Gaya MLA
Hartono, Caleb.
PFS : Professional FIle.
1
Jakarta:
Elex Media Komputindo,
1989.
Karya Umum.
Gaya Turabian
Hartono, Caleb.
PFS : Professional FIle.
1
Jakarta:
Elex Media Komputindo,
1989.
Karya Umum.