Gaya APA
Institute, A, H. (1997).
Menulis laporan dan proposal (writing winning reports and proposals) (cet 3).
Semarang:
Dahara Prize.
Gaya MLA
Institute, Alexander, Hamilton.
"Menulis laporan dan proposal (writing winning reports and proposals)".
cet 3
Semarang:
Dahara Prize,
1997.
BUKU.