Gaya APA
URWYLER, C, H, R.
(1979).
Penilaian Benda Kerja
(
1)
.
Bandung:
PMS- ITB.
Gaya MLA
URWYLER, C, H, R.
"Penilaian Benda Kerja".
1
Bandung:
PMS- ITB,
1979.
Printed.