Gaya APA
Najib, M., Omar, I.
([S.N]).
Putra Nusantara (Muhammad Amin Rais)
.
Singapore:
Stanford Press.
Gaya MLA
Najib, Muhammad., Omar, Irwan.
"Putra Nusantara (Muhammad Amin Rais)".
Singapore:
Stanford Press,
[S.N].
Reference.