Gaya APA
Prawirjanto, D, I, G, H.
(2001).
Basic Consideration skill Toward 2020
(
1)
.
Jakarta:
Debdikbud.
Gaya MLA
Prawirjanto, Dr., Ir., Gatot, Hari.
"Basic Consideration skill Toward 2020".
1
Jakarta:
Debdikbud,
2001.
Buku Non Fiksi.