Gaya APA
Kusumo, Iskandar Wirjo. (1989).
Instructional design and development / Iskandar Wiryo Kusumo, Verna Jean Willis .
:
Jakarta: P2LPTK.
Gaya Chicago
Kusumo, Iskandar Wirjo.
Instructional design and development / Iskandar Wiryo Kusumo, Verna Jean Willis.
:
Jakarta: P2LPTK,
1989.
Buku.
Gaya MLA
Kusumo, Iskandar Wirjo.
Instructional design and development / Iskandar Wiryo Kusumo, Verna Jean Willis.
:
Jakarta: P2LPTK,
1989.
Buku.
Gaya Turabian
Kusumo, Iskandar Wirjo.
Instructional design and development / Iskandar Wiryo Kusumo, Verna Jean Willis.
:
Jakarta: P2LPTK,
1989.
Buku.