Gaya APA
Iskander, W., Harahap, B, H.
(1976).
Si Bulus-Bulus Si Rumbuk-Rumbuk
(
1)
.
Jakarta:
PT. Campusiana.
Gaya MLA
Iskander, Willem., Harahap, Basyral, Hamidy.
"Si Bulus-Bulus Si Rumbuk-Rumbuk".
1
Jakarta:
PT. Campusiana,
1976.
Text.