Gaya APA
Sardjono, M, A.
(1977).
People and Our World: A Study Of World History
.
London:
Holt, Rinehart, and Winston.
Gaya MLA
Sardjono, Maria, A..
"People and Our World: A Study Of World History".
London:
Holt, Rinehart, and Winston,
1977.
Text.