Gaya APA
Blyton, E.
(1981).
Sapta Marga
.
Haupapauge, New York, AS.:
Graedia Pustaka tama.
Gaya MLA
Blyton, Enid.
"Sapta Marga".
Haupapauge, New York, AS.:
Graedia Pustaka tama,
1981.
Text.