Gaya APA
Gayo, Iwan. (1989).
Buku Pintar (1989) .
Jakarta:
Iwan Gayo Associates.
Gaya Chicago
Gayo, Iwan.
Buku Pintar (1989).
Jakarta:
Iwan Gayo Associates,
1989.
Printed Book.
Gaya MLA
Gayo, Iwan.
Buku Pintar (1989).
Jakarta:
Iwan Gayo Associates,
1989.
Printed Book.
Gaya Turabian
Gayo, Iwan.
Buku Pintar (1989).
Jakarta:
Iwan Gayo Associates,
1989.
Printed Book.