Gaya APA
Toba, H.
(1962).
Curriculum development : theory and practice
.
New York:
Harcourt,Brace \n World.
Gaya MLA
Toba, Hilda.
"Curriculum development : theory and practice".
New York:
Harcourt,Brace \n World,
1962.
Buku Tercetak.