Gaya APA
R.I.Sarumpaet, .
(((s.a.))).
Rahasia Mendidik Anak
.
Bandung:
Ind.Publishing House.
Gaya MLA
R.I.Sarumpaet, .
"Rahasia Mendidik Anak".
Bandung:
Ind.Publishing House,
((s.a.)).
Text.