Gaya APA
Indra, M, R. (1991).
Bung Karno is the sole digger of Pancasila: The five principles. .
Jakarta:
Jakarta Haji Masagung.
Gaya MLA
Indra, M., Ridhwan.
"Bung Karno is the sole digger of Pancasila: The five principles. ".
Jakarta:
Jakarta Haji Masagung,
1991.
Buku.