Gaya APA
Wardiyatmoko, Kuswanto. (1991).
Geografi SMA Jilid 1B Semester 4 (1991) .
Jakarta:
Erlangga.
Gaya Chicago
Wardiyatmoko, Kuswanto.
Geografi SMA Jilid 1B Semester 4 (1991).
Jakarta:
Erlangga,
1991.
Printed Book.
Gaya MLA
Wardiyatmoko, Kuswanto.
Geografi SMA Jilid 1B Semester 4 (1991).
Jakarta:
Erlangga,
1991.
Printed Book.
Gaya Turabian
Wardiyatmoko, Kuswanto.
Geografi SMA Jilid 1B Semester 4 (1991).
Jakarta:
Erlangga,
1991.
Printed Book.